| Names | |
|---|---|
| Preferred IUPAC name | N,N'-(hexane-1,6-diyl)bis(12-hydroxyoctadecanamide) |
| Other names | Bis(12-hydroxystearic acid) hexamethylenediamide N,N′-Hexamethylenebis(12-hydroxystearamide) Hexamethylenebis(12-hydroxystearamide) Hexamethylenediamine bis(12-hydroxystearamide) |
| Pronunciation | /ˌhɛksəˌmɛθəˈliːn biːs ˌtwɛlv haɪˈdrɒksi stɪəˈreɪmɪd/ |
| Identifiers | |
| CAS Number | 143-23-7 |
| Beilstein Reference | 6314048 |
| ChEBI | CHEBI:131102 |
| ChEMBL | CHEMBL1625970 |
| ChemSpider | 21908960 |
| DrugBank | DB11262 |
| ECHA InfoCard | 03c539af-76d8-4c55-aaa8-2821389979bd |
| EC Number | 500-200-2 |
| Gmelin Reference | 1670934 |
| KEGG | C19757 |
| MeSH | D02.455.326.271.410.500 |
| PubChem CID | 104950 |
| RTECS number | MI8575000 |
| UNII | WQE723B04G |
| UN number | Not regulated |
| Properties | |
| Chemical formula | C36H72N2O4 |
| Molar mass | 654.2 g/mol |
| Appearance | White to light yellow powder |
| Odor | Slight fatty |
| Density | 0.96 g/cm³ |
| Solubility in water | Insoluble in water |
| log P | 13.6 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 14.00 |
| Magnetic susceptibility (χ) | -7.8E-6 cm³/mol |
| Refractive index (nD) | 1.478 |
| Viscosity | 7000 - 18000 mPa.s (at 150°C) |
| Dipole moment | 2.56 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 870.4 J·mol⁻¹·K⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -16804.8 kJ/mol |
| Pharmacology | |
| ATC code | |
| Hazards | |
| Main hazards | Causes eye irritation. |
| GHS labelling | GHS05, GHS07 |
| Pictograms | GHS07,GHS09 |
| Signal word | Not Classified |
| Hazard statements | H315: Causes skin irritation. H319: Causes serious eye irritation. |
| NFPA 704 (fire diamond) | 1-1-0 |
| Flash point | > 320°C |
| Autoignition temperature | 390°C |
| LD50 (median dose) | > 5000 mg/kg (rat, oral) |
| NIOSH | RN1100000 |
| PEL (Permissible) | PEL not established |
| REL (Recommended) | 0.05 mg/m³ |
| Related compounds | |
| Related compounds | 12-Hydroxystearic acid Hexamethylenediamine Bis(12-hydroxystearoyl)hexamethylenediamine Stearamide Octadecanamide |
| Parameter | Details | Manufacturer Commentary |
|---|---|---|
| Product Name | Hexamethylene Bis (12-Hydroxystearamide) | Chemical manufacturers label this additive according to the actual raw materials and reaction scheme. The full name reflects the condensation between hexamethylene diamine and 12-hydroxystearic acid, not just a blending or physical mixture. Consistency between naming and molecular structure is a control point for quality tracking and regulatory review. |
| IUPAC Name | N,N'-(Hexane-1,6-diyl)bis(12-hydroxyoctadecanamide) | Accurate IUPAC naming is critical in registration and compliance for global shipments. Mislabeling at this stage risks custom clearance issues, particularly for chemicals that are not yet globally harmonized in customs codes. Naming aligns with the actual synthetic route confirmed during R&D scaling. |
| Chemical Formula | C42H84N2O4 | The formula here is derived from the reaction stoichiometry and is typically confirmed batch-wise through elemental analysis. Actual product batches can show minor deviation depending on residual moisture and unreacted side-chains, which require adjustment in subsequent purification steps. |
| Synonyms & Trade Names | Bis(12-hydroxystearic acid)hexamethylenediamide, N,N'-Hexamethylene-bis(12-hydroxystearamide), HMBHSA | Trade names and synonyms are not universal and often reflect producer branding or legacy formulations. For technical communication with downstream users, precise chemical description always overrules trade designations. Synonym selection can be grade-specific, largely based on customer contracts or regulatory submission history. |
| HS Code & Customs Classification | 3824999999 | Most customs authorities group this as an organic compound blend due to its amide content and structural similarity to fatty acid derivatives. Actual HS code assignment can change with application (plastic additive vs. lubricant modifier). Customs broker consultation is recommended before inclusion in large-volume export lots. |
In industrial production, raw material selection for Hexamethylene Bis (12-Hydroxystearamide) is based on fatty acid chain uniformity and primary amine purity. Impurities like mono-amides and incomplete condensation products originate from sub-stoichiometric reaction conditions or contaminated raw input. Key process controls involve temperature profile management during condensation and inline spectroscopic monitoring for reaction end-point confirmation.
Purification typically requires multi-stage filtration and controlled cooling to separate the bis-amide from unreacted monomers and heavy oligomers. These decisions are made during scale-up in response to observed batch-to-batch impurity profiles, not speculative predictions. Release standards depend on downstream application—plastic processing additives demand strict color and melt point controls, whereas lubricant grade may allow broader compositional ranges.
Grade selection results from both custom formulation requirements and regional regulatory landscape, since jurisdictions may set additional thresholds for amide content or residual free fatty acid. Documentation compliance includes alignment of product labeling, chemical structure, and customs classification to satisfy both safety and trade regulations.
Hexamethylene Bis (12-Hydroxystearamide) typically forms a waxy solid at ambient temperature. The form—either powder, beads, or pellet—is dictated by downstream application and customer requirement. The color ranges from off-white to faint yellow, with minimal inherent odor. Visual transparency and particle homogeneity are strongly influenced by purification protocol and grade specifications. Melting point profiles show single or occasionally broadened transitions, especially in lower-purity lots or blended grades, detectable during thermal quality control checks. Conventional open-cup flash point testing shows high values, as is typical for long-chain amides, supporting safe handling at room temperature. Bulk density measurements reflect process granulation and handling preferences. Manufacturers adjust physical form and granulometry to suit extrusion, compounding, or surface modification uses.
Operational experience confirms that Hexamethylene Bis (12-Hydroxystearamide) resists hydrolytic and oxidative degradation at standard processing temperatures. Reactive stability depends on the presence and control of residual amines or unreacted fatty acid derivatives. Surface coloration or “yellowing” during storage hints at slow oxidation in inadequately protected product grades. The reactivity profile mainly reflects the amide linkage’s robustness, though side reactions may occur with aggressive acid or base under extreme process conditions. Product specification must state tolerance to process-specific challenge conditions if required by the application.
The compound demonstrates strong lipophilicity, dissolving in heated organic solvents including aromatic hydrocarbons, chlorinated solvents, and some alcohols. Solubility in water is negligible. Solution processability for coatings or dispersions requires precise temperature ramping, agitation, and compatible solvent selection to control viscosity and avoid precipitation. Technical support frequently addresses solvent compatibility and temperature control to prevent incomplete dissolution during batch preparations.
Industrial grades differ based on physical form, residual solvent content, color index, acid value, and melt purity. R&D and electronic application grades may require tighter limits on metal ions and particulates. Detailed specification tables are maintained for each sales-grade, reflecting end-use sensitivity—such as lower impurity limits for plastics and higher tolerance for wax blending grades.
Major impurities include unreacted fatty acids, monoamide components, and low-level catalyst residues. Process-specific contamination control targets these with both in-process and final-lot testing. For higher grades, heavy metal and volatile organics from catalyst or solvent are closely monitored by atomic absorption or GC-MS. Acceptable limits are set batch-by-batch and updated with each process scale-up or major raw material change.
Routine analytical verification employs melting point tests, FTIR fingerprinting for amide bond confirmation, HPLC for purity, and Loss on Drying to check residual moisture. Discrete applications may require colorimetric titration, Karl Fischer for low-level water determination, or specific migration tests for plastics. Batch release standards refer directly to client and market segment requirements rather than generic standards.
Production selects high-purity hexamethylenediamine and 12-hydroxystearic acid as primary feedstocks. The source, specification, and lot documentation of fatty acid directly impact finished product organoleptics and impurity spectrum. Local regulations or application demands, such as food contact or electronics, enforce traceability and tight supplier screening.
Direct amidation routes dominate. The process links hexamethylenediamine with excess 12-hydroxystearic acid under elevated temperatures, stripping water by vacuum or inert gas purge. Catalyst selection (acidic or basic) reflects yield targets, impurity minimization, and need for downstream neutrality. All exotherms and endpoint titrations are tightly controlled to minimize partial amide or free acid in final product.
In-process control tracks key variables—reaction temperature, vacuum level, feed ratios, and off-gas moisture content. Continuous melt filtration removes undissolved residues. Washing, solvent extraction, and final recrystallization steps target both aesthetic and functional specifications. Each campaign receives batch QC targeting known impurity “fingerprints” that reflect both raw material and equipment cleaning state.
Batch identity and conformity to release criteria depend on direct analysis by melting point, FTIR, and impurity-specific chromatographic assay. Final approval layers visual/physical checks, compliance with specification tables, and where required, application-simulation tests agreed with the downstream processor.
Hexamethylene Bis (12-Hydroxystearamide) participates in further amidation, partial hydrolysis, or surface modification reactions. Chemical performance during modification reflects both the amide backbone integrity and the accessibility of the terminal hydroxyl groups—crucial for post-polymerization or grafting functions.
Typical modification relies on thermal activation or basic/acidic catalysis, with controlled solvent environment. Catalyst and temperature ranges are process- and end-use-specific; further reaction by-products or cross-linking risk are assessed for each modification route.
Key derivatives include block copolymers, surfactant blends, or functional waxes enhanced for lubricant, dispersant, or release agent roles. Precise properties of these depend on initial product quality, conversion efficiency, and removal of side product at each synthetic stage.
Best storage practice targets cool, dry, well-ventilated spaces, avoiding direct heat and light sources to minimize color and odor development. Humidity control reduces risk of surface caking or “bloom” on pellets or powder. Gas protection, where used, protects higher grades intended for sensitive compositions.
Compatible containers include HDPE, lined drums, or bag-in-box systems. Specific application grades may require nitrogen blanketing or specialized internal liners to control oxidative changes and particulate accumulation.
Shelf life depends on grade, packaging, and storage discipline. Product aging manifests as discoloration, texture change, or odor development; rigorous inventory rotation and lot traceability prevent downgraded material reaching sensitive end-uses. Final acceptance relies on retest against specification for each major storage interval.
Precise classification and labeling are based on official registration data for the compound and mixture. Bulk material is not known for high acute toxicity, but all handling assumes standard controls against dust inhalation and direct skin or eye exposure. For sensitive applications, full toxicological profiles, including irritation and sensitization studies, can be provided on request.
Manufacturing sites implement engineering and procedural controls as required for long-chain fatty amides—local exhaust, containment, gloves, and goggles as basic PPE. Segregation from strong acids and bases minimizes risk of decomposition.
Technical and scientific review shows low acute hazard by ingestion or dermal contact. Potential for chronic toxicity, if any, depends on trace impurities or by-products specific to the production route. Monitoring programs track occupational exposure to minimize risk.
Plant-level exposure controls draw on internal occupational hygiene review and available regulatory guidance for comparison compounds. Dust mitigation, local exhaust ventilation, and PPE represent standard engineering measures in compounding or packaging zones. Handling policy prioritizes bulk transfer with dust minimization and full respiratory protection in areas prone to airborne dispersion.
Actual production capacity depends on both the installed reactor volumes and the campaign scheduling for 12-hydroxystearic acid derivatives. For specialty grades, batch size flexibility enables targeted manufacture on request, but dedicated lines for higher purity versions remain limited. Output reliability relies on timely 12-hydroxystearic acid and hexamethylene diamine supply, as upstream tightness can create temporary allocation. Plant utilization rates vary with demand across lubricants, plastics, and specialty surfactant markets; production line switchover may extend lead times during capacity peaks or force majeure on key feedstocks. Unscheduled downtime or supply chain interruption at earlier synthesis steps (hydrogenation, amidation) can restrict overall market availability.
Lead time is closely linked to downstream finishing steps, including crystallization, filtration, and drying profiles specified by each customer. Standard grades typically fall within four to six weeks ex-works, with expedited lots demanding prior coordination. MOQ is determined by packaging scale and downstream storage capacities; industrial bulk customers may stipulate full IBC or drum loads, while specialty applications might accept pilot-scale minimums, subject to surcharge for non-standard handling.
Product grade and intended shipment route determine primary packaging selection. Grades with strict moisture and oxidation sensitivity utilize nitrogen-purged, foil-lined drums or high-barrier IBCs. Bulk loads for continuous processing prefer lined tankers or ISO containers, subject to customer approval for cleanliness standards. Labeling, batch traceability, and secondary containment must align with contractual specifications and local regulatory codes at the destination port.
Clients typically opt for FCA, FOB, or CIF terms depending on global routing and risk allocation. Payment terms—ranging from advance wire, established letter of credit, to net D/P—are set based on customer profile and credit assessment. Cold-chain logistics may be specified for high-purity or low-melt grades, adding complexity to long-haul contracts. Export documentation must comply with HS code declaration, safety data sheet forwarding, and where needed, proof of origin or compliance to REACH/TSCA requirements.
Cost input is led by 12-hydroxystearic acid (primary feedstock) and hexamethylene diamine. The upstream price for castor oil directly affects 12-hydroxystearic acid market dynamics. Hexamethylene diamine prices tend to track cyclohexanone and adiponitrile trends, sensitive to both petrochemical cycles and plant outages. Catalyst metal and solvent pricing, while a smaller contributor, may gain importance in higher purity or pharmaceutical-adjacent offers. Batch-wise energy demand for controlled crystallization is non-trivial at scale.
Feedstock price swings stem from agricultural volatility (castor crop changes, weather events, regulatory input restrictions) and renewable mandates. Petrochemical-derived intermediates are subject to regional cracking economics, energy inflation, and force majeure risks. Logistics shocks (port congestion, war, shipping lane interruptions) amplify cost fluctuation in export-oriented supply. Compliance upgrades (e.g., stricter limit tests for contamination or provenance traceability) increase variable production costs.
Grade drives price through specification of melting range, color number, residual diamine, and volatile content. High-purity/low-impurity grades command significant premium due to extended purification, tailored process control, and higher rejection rates for off-spec intermediate. Certification (pharma, food-contact, REACH, TSCA compliance) increases documentation and batch-by-batch testing burden. Packaging specification (e.g., pharmaceutical-grade barrier materials, food-safe liners) significantly increases unit packaging cost and sometimes limits supplier options.
Demand for Hexamethylene Bis (12-Hydroxystearamide) follows plastics, lubricant, and niche specialty chemical consumption. Largest production sites are situated in Asia, where proximity to raw material sources and lower variable cost support exporter supply dominance. North American and European demand favor certified grades for plastics modification and lubricant applications, with input requirements tightly regulated.
| Region | Demand Characteristics | Market Pressure | Notable Regulatory/Logistics Features |
|---|---|---|---|
| United States | High for engineering plastics, lubricating greases | Stable unless trade sanctions, domestic feedstock bottlenecks | TSCA registration, tariffs on Asian imports |
| European Union | Specialty plastics, technical lubricants | REACH complexity drives premium, local output limited | REACH compliance, extended producer responsibility |
| Japan | Specialty coatings, high-purity demand | Import dependency, certification-driven price | Special application testing, JIS standards |
| India | Plastic masterbatches, textiles | Feedstock supply variable, domestic demand rising | Restriction on specific process additives |
| China | Bulk tonnage, broad application base | Net exporter, price linked to castor oil derivatives market | CFDA, new chemical registration evolving |
Direct linkage to castor oil production forecasts represents the most prominent forward price risk; any disruption (weather, disease, export limitations) in main production regions may trigger outsized rises. Regulatory tightening in EU and US may drive premium for high-traceability, food/pharma-acceptable lots. Input cost arithmetic will remain sensitive to oil and energy price benchmark fluctuations. Renewable sourcing mandates in key economies could amplify raw material premiums and add supply chain complexity. Price forecasts point to a moderate upward trend, barring extraordinary shocks, with spikes possible after major crop failures or upstream petrochemical outages.
Annual price review incorporates procurement contracts, import/export trade statistics, feedstock futures, and partner feedback across regional supply chains. Producer-reported data is weighted against third-party verification where transparency standards are enforced (e.g., EU, US customs clearance records). Short-term trendline analysis focuses on quarterly feedstock and energy cost benchmarks, with secondary emphasis on logistic cost overlays.
Recent manufacturing site upgrades in Asia have bolstered supply resilience for technical grades; however, ongoing raw material sourcing volatility has kept lead times and spot prices unsettled. Castor oil supply outlook from India and East Africa remains sensitive post-Covid, with ripple effects on intermediate markets.
EU REACH updates have raised traceability and impurity testing demands for polymer and food-contact application grades. Ongoing efforts to minimize residual diamine and volatile organic content are reflected in tightening batch-release limits, requiring expanded in-process analytical coverage. In the Americas, shifting tariffs and renewed scrutiny of Asian-sourced material have complicated direct purchase routes.
Investment in multi-feedstock sourcing and strategic inventory buildup remains central for continuity of supply. Production teams prioritize campaign scheduling flexibility, allowing tighter lead time control for urgent specialty orders. Upgrading batch and continuous process control systems supports more consistent output and quicker deviation isolation, especially for regulated grades. Expanded documentation and third-party auditing build confidence at customer audits for new application sectors.
Hexamethylene Bis (12-Hydroxystearamide) has specific advantages for engineering plastics, hot melt adhesives, high-performance lubricants, surface modifiers for coatings, and certain personal care formulations with specialty requirements for rheological properties or thixotropy. Customers in these sectors focus on compounding, stability, and melt processing suitability in both high-shear and low-shear environments. Consistency and batch control are essential in industries relying on automated production lines or strict end-user performance guarantees.
| Industry | Typical Grade | Key Parameter Focus |
|---|---|---|
| Engineering Plastics | Low-acid, high-purity grade | Acid value, color index, residual monomer control |
| Hot Melt Adhesives | Mid-purity, standard viscosity | Viscosity stability, process residue, thermal tolerance |
| Lubricants & Greases | Ultra-low impurity, optimized melting profile | Melting consistency, free fatty acids, gel clarity |
| Surface Modifiers & Coatings | Color-controlled, finely micronized | Particle size distribution, haze, color stability |
| Personal Care | High-purity, cosmetic grade | Pesticide trace, odor, regulatory compliance (e.g., allergen screening) |
Each downstream segment prioritizes technical parameters based on customer process and formulation needs. For engineering plastics, color and acid index directly impact the finished product's appearance and processing stability. In adhesives, viscosity and batch uniformity dictate application performance. Lubricants and surface modifiers focus on melting range, insoluble content, and batch-to-batch reproducibility. Cosmetic applications demand low residual solvents and comprehensive screening for trace impurities.
End-use always drives grade choice. For high-impact plastics, focus shifts to minimizing discoloration and achieving tight melting range tolerances. Coating and personal care formulators typically require robust documentation and demonstrable traceability of raw materials. Automotive and electrical customers often specify enhanced purity for regulatory visibility and downstream durability.
Non-cosmetic industrial uses may only require basic DOC/certificate of analysis, while applications in food contact, personal care, or electronics may demand region-specific certifications and deeper impurity audits based on intended destination market regulations. Mutually agreed specifications define release criteria for such sensitive end uses. Regulatory threshold gaps between standard and premium grades often correlate with differences in purification strategy and in-plant segregation protocols.
Technical grade addresses most industrial needs. High-purity or customized grades serve sectors where residual monomers, trace metals, or low-molecular-weight byproducts affect process or finished product performance. Purity level selection hinges on both the customer’s risk tolerance and specific process bottlenecks confirmed by their QC. Each grade’s analytical profile is verified through batch sampling and compliance with documented customer criteria.
Project scale and cost constraints influence whether customers opt for standard production or custom batch campaigns. Bulk producers typically balance cost per metric ton with ease of downstream integration, whereas smaller-volume users justify premiums for micro-batches with tighter specification control or advanced documentation support.
Customers validate grade suitability using off-the-shelf or custom samples. Pre-shipment samples represent mainline plant runs to reflect actual supply characteristics. Multiple QC checkpoints—color, acid value, particle size, and batch impurity distribution—offer insight into both ongoing process control and responsiveness to adjustments. Customers deploy these samples in their end-use process, providing direct feedback on fit and identifying any mismatch before scaling to full contract volume.
Feedstock quality, trace contaminant profile, and chain-of-custody matter to users focused on repeatable output. Sourcing strategy prioritizes suppliers with established analytical traceability to maintain grade assurance. Process route depends on whether the application pushes for low-odor, color-stable, or impurity-compliant performance. For high-transparency or low-VOC contexts, purification adds extra steps, raising both cost and process complexity.
Impurities often stem from initial feedstock, reaction byproducts, or cross-contamination during plant changeovers. In-process controls such as continuous color and acid value monitoring, real-time spectroscopy, and end-of-batch impurity profiling guide process adjustments. Release standards, including color, melting point, residual monomer, and dominant particle size, respond to both internal protocols and specific customer tolerances. Batch traceability allows isolation and resolution of any non-conformance detected downstream.
Industrial grade selection impacts storage protocols and handling needs. High-purity or cosmetic uses often require segregated packaging and temperature-controlled environments to preserve analytical integrity. Applications vulnerable to cross-contamination or oxidative degradation see risk mitigation through inert packaging and rapid turnover strategies. For bulk users, palletization, bulk bin loading, and real-time logistics tracking address both volume efficiency and product stability at delivery point.
Production of Hexamethylene Bis (12-Hydroxystearamide) draws on structured quality management systems, such as ISO 9001 or equivalent, to guide raw material qualification, manufacturing consistency, and traceability. Batch records incorporate process monitoring data, traceable lot codes, and QC release signatures. The frequency and detail of in-process sampling respond to the criticality of specific application sectors. Certification scope expands in response to regulatory or customer-driven demands, particularly in sectors with heightened requirements for purity, trace impurity analysis, or batch uniformity.
Product-specific certifications depend on end-use requirements, for example, registration under chemical inventories, or compliance with REACH, TSCA, or food-contact suitability for specialty grades. Documentation supporting these certifications is based on lot-wise testing, origin traceability for key starting materials, and validated test methods. Auditable records reflect actual analytical results, not only conformity statements. Certification coverage varies for each product grade, in line with application-critical requirements and destination geography.
The standard release documentation includes a certificate of analysis referencing relevant lot-specific data—acid number, melting point, residual solvents, and moisture. Actual parameters recorded arise from validated QC methods and reflect both routine industrial profiles and special customer-defined criteria. Where specialty grades are involved (cosmetic/intermediate/advanced polymer), extended analytical support, such as detailed impurity survey or stability profile, can be provided. Internal reports document the release rationale, with cross-references to raw material lot traceability and process route selection. Customer audits welcome open inspection of documentation trails as part of transparency and long-term supply assurance.
Consistent output of Hexamethylene Bis (12-Hydroxystearamide) results from multi-line plant architecture, flexible campaign scheduling, and forward integration with core upstream monomers. Supply interruptions are minimized through contingency raw material stocking, predictive maintenance, and load-sharing between parallel units. Both long-term contract commitments and responsive spot order fulfillment are supported, subject to mutually discussed production planning.
Core production volume is sized according to historical demand, projected industry growth, and sudden spike buffers. Daily output flexibility relies on modular reaction trains and synchronized packaging lines. Risk of supply shocks is managed through dual-sourced key raw materials and on-site reserve inventory. Proven record in sustaining monthly and quarterly delivery schedules stands documented in supplier performance reviews by downstream partners, especially in sectors where raw material interruptions create cascading scheduling risks.
Sample requests for downstream process trials are handled by dedicated application support teams. Each sample pack includes a representative batch from current operational output, mirrors final QC release parameters, and is accompanied by a tailored CoA. Detailed sample handling guidance and safety datasheets support technical evaluation under actual formulation conditions. Where required, pilot production batches matching end-use application specs can be produced under agreement, with detailed process summary and analytical backup.
Procurement partnerships adapt based on order size, delivery frequency, storage and handling protocols, and end-user feedback. Possibilities include consignment stock arrangements, forecast-driven call-off models, and variable contract durations. Business terms respond to shifting feedstock markets, logistics disruptions, and evolving customer downstream product cycles. Dedicated account managers interface between technical, logistics, and production teams to resolve emergent delivery challenges and refine supply strategies. Cooperation with specialty application clients may extend to joint process optimization workshops, custom packaging solutions, and shared process analytical testing.
In recent years, R&D teams have concentrated on refining the molecular architecture and purity profile of Hexamethylene Bis (12-Hydroxystearamide) to meet the demands of high-end lubricant and plastics formulations. Consistent focus remains on process optimization to control the molecular weight distribution and reduce unsaturation and low-molecular impurities. In-house development often evaluates how variations in the fatty acid feedstock affect the final luster, melting behavior, and compatibility with engineering plastics and specialty greases.
Another key hotspot relates to performance enhancement through functionalization—targeting applications where polarity and interfacial chemistry provide critical performance gains, such as in high-durability finishes or certain thermoplastic elastomers. End-users increasingly request documentation on batch-to-batch consistency, prompting method development around advanced chromatographic characterization and spectroscopic fingerprinting.
Hexamethylene Bis (12-Hydroxystearamide) has gained traction in polyolefin compounding, hot-melt adhesives, and UV-curable surface systems due to its unique lubricity and crystallization properties. The textile and fiber spinning industries have also begun exploring grades with tuned melting intervals for enhanced filament release. Application expansion continues in high-performance wax blends, where modifications in the alkylene chain length or hydroxyl substitution pattern achieve differentiated slip or antistatic properties.
Process engineers encounter equipment fouling and batch inhomogeneity when operating at the temperature and pressure interface necessary for condensation and hydrogenation—primarily when using certain grades of stearic feedstock. Technical breakthroughs over the past five years include in-line detection methods for trace oligomer content and process windows that minimize color development and residual free amide. These advances directly enhance both final product purity and downstream dispersion in polymer matrices.
Hexamethylene Bis (12-Hydroxystearamide) consumption is expected to be driven by replacement of conventional slip additives in automotive and consumer electronics grade polymers. The shift towards low-odor, ultra-pure variants for high-specification films and microelectronic encapsulation is a persistent trend. Regional demand variances persist, with Asia-Pacific processors showing greater adaptation in powder metallurgy binders, whereas European manufacturers emphasize migration resistance in food-contact and medical device compounds.
Manufacturing operations will expand capacity for continuous processing systems, improving consistency and reducing cross-contamination risk. Routine adoption of online spectrometric monitoring to control transesterification by-products drives process evolution. Equipment-scale trials aim to optimize phase transfer catalysts and reduce reliance on less sustainable solvents in synthesis. Customer pressure for traceability has increased incentives for digital batch monitoring and advanced statistical process control.
Raw material procurement has shifted toward renewable vegetable-based feedstocks with segregated supply chain verification. A move away from petrochemical intermediates supports life cycle assessment targets. Formulators request non-toxic, biodegradable additive systems and increasingly query renewable carbon content as part of technical due diligence. Ongoing trials focus on minimizing processing aids and promoting closed-loop water and solvent use during refining and purification steps.
Technical teams provide formulation guidance tailored to the customer’s processing conditions. Support includes recommendations on compatibility testing with other additives and polymers. Guidance draws on production experience: for example, thermal stability data based on extrusion trials, or advice on adjustment of dosing concentration in hot-melt blending based on end-use viscosity targets. Application engineers engage directly to resolve surface defect or compatibility concerns based on real-world processing feedback.
Specialists assist customers in pilot-scale validation by interpreting melt flow and crystallization test data. For high-clarity polymer films, support covers troubleshooting for haze, bloom, or migration artifacts observed during lamination. Analytical teams provide third-party or in-house spectral and chromatographic support if deviation from quality standards is detected in a customer’s run. This process-oriented support reduces downtime and enhances adoption in customized manufacturing lines.
After-sales programs include batch review and feedback channels, allowing customers to report observed variances and request retesting against retained reference samples. The technical department supports claims follow-up by sharing historical batch records and process logs, ensuring transparency in traceability. Field technical visits address persistent process issues or abrupt property changes in existing applications. Customer training on safe handling, storage, and tailored grade selection links ongoing support with long-term relationship management.
As a facility with advanced fatty acid amide synthesis lines, we produce Hexamethylene Bis (12-Hydroxystearamide) with stringent process control at each batch. Our technicians use refined 12-hydroxystearic acid and precisely controlled reaction conditions to ensure consistently high purity. This compound, known for its thickener and slip properties in polymers and lubricants, leaves our lines after passing comprehensive QC checks using HPLC, FTIR, and melt point analysis.
Polymer producers and lubricant formulators depend on steady rheological properties and predictable melt behavior. Our material has proven value in polyolefin processing, modifying flow in compounded PP and PE systems, and as a key ingredient for specialty greases. Clients in plastics and coatings benefit from its role as a functional additive that enhances anti-blocking, lubricity, and heat stability, especially under rigorous industrial conditions. Further downstream, wire and cable compounders rely on it to prevent plate-out and maintain extrusion efficiency in continuous production lines.
Each production campaign follows a controlled batch record protocol. In-process checkpoints align with ISO certifying frameworks, and finished goods analysis is documented and traceable. Our focus on physical and chemical consistency means users can standardize formulations without adjusting processing parameters batch to batch. This attention to detail enables clients to plan inventory more accurately and avoid the downstream disruptions that quality fluctuations cause.
We supply this specialty amide in tailored packaging, ranging from industrial drums and fiber cartons with polyethylene liners to bulk bags for central warehousing. Palletization follows automation-assisted loading routines, supporting warehouse efficiency and streamlining material handling. Should users require smaller or customized packs, production schedules can integrate these requests with pre-approved lead times.
Real-time inventory systems link our output with customer forecasts across domestic and export routes. We reserve warehousing capacity for ongoing clients so recurring supply meets daily production needs in key sectors. Our shipping schedules synchronize with clients’ logistics partners to minimize loading wait times and optimize shift-based receiving schedules.
Our technical team answers formulation questions with access to process and lab records. Users troubleshooting process challenges or seeking to fine-tune additive loadings can request detailed batch analytics and performance guidance. This data-backed approach streamlines process adjustments and supports clients during scale-up or regulatory compliance reviews.
Purchasing from a direct producer secures a stable supply chain, transparent batch quality, and aligned packaging formats. Procurement teams gain from predictable lead times and the ability to lock in contract quantities without intermediary risk. Distributors working with OEM and compounding customers benefit from accountable production support and shipment visibility, reducing inventory-related costs. Our commercial team is responsive to RFQs and contract discussions, supporting clear terms and practical delivery conditions for operational stability.
Producing Hexamethylene Bis (12-Hydroxystearamide) on an industrial scale gives our technical team a comprehensive perspective on its attributes. This compound, commonly known as bisamide wax, owes its reliability to tight controls over purity, molecular weight, and crystalline structure right at the reactor stage. High-purity batches exhibit a characteristic white or off-white powder or flake form, which reflects the consistency demanded by applications in plastics, inks, and coatings. The hexamethylene backbone combined with long-chain hydroxystearamide groups leads to low volatility, resistance to most solvents, and a rigid waxlike feel at room temperature.
Physical handling in our facility confirms that Hexamethylene Bis (12-Hydroxystearamide) melts in the 140-150°C range — key data for thermoplastic processing and compounding. Controlling moisture content in the finished product eliminates issues during extrusion and compounding. Our product displays low solubility in water and minimal softening under pressure, delivering the torque resistance sets it apart for demanding engineering plastics. Its fine particle size allows for excellent dispersion in polymer matrices, something our QA teams confirm with each batch. Flake and granule sizes are tailored based on feedback from downstream users who require trouble-free transfer through automated handling equipment.
From a chemical standpoint, we produce this bisamide specifically for high stability. The amide bonds in the structure give it strong resistance to hydrolysis and oxidation under standard storage and use conditions. Experience has shown that this property helps our partners in plastics molding achieve long shelf life and stable performance even in hot, humid environments. Hexamethylene Bis (12-Hydroxystearamide) maintains its structure in the presence of bases and weak acids, minimizing concerns about degradation during manufacturing of compounded resins or lubricants.
Our long-term relationships with customers in automotive plastics and masterbatch sectors underline its true utility. The lubricant properties emerge from the combination of hydroxyl and amide functionality: internally in plastics, it improves melt flow and lowers friction between moving parts; externally, our product lays down a film that enhances slip and anti-block characteristics. Its high melting point lets processors push performance in engineering resins without worry about premature wax migration or volatilization. These benefits deliver value beyond a technical bulletin — they allow our partners to build durable, high-performance products year after year.
All production lots undergo tight quality assurance steps: particle size, melting range, color, ash content, and acid value are verified using standard lab protocols. Consistency matters for batch-to-batch reproducibility, which is why we document the full history from raw material sourcing through to final inspection. Customers needing full batch documentation or technical advice can count on our application support team. If there are specific requirements around regulatory compliance or performance data, our lab can address those needs based on solid manufacturing data — not speculation or secondary sources.
Product improvement is not just about routine checks. We regularly review process steps and user feedback to fine-tune the flow properties, flake sizing, and purity, ensuring Hexamethylene Bis (12-Hydroxystearamide) keeps pace with emerging resin chemistries and processing demands. Onsite technical support stands ready to help troubleshoot process conditions or recommend optimal product grades based on end-use needs.
Direct manufacturing involvement brings deep insight into both the strengths and potential challenges of using this bisamide in diverse applications. Through sustained process control, supply reliability, and technical partnership, we aim to give every customer confidence in their results with our Hexamethylene Bis (12-Hydroxystearamide).
In the chemical industry, clarity around minimum order quantities and packaging options helps our customers plan their operations without guesswork. As the manufacturer of Hexamethylene Bis (12-Hydroxystearamide), our production runs target scale, efficiency, and product integrity from batch to loading dock. We set our minimum order policy based on factory production cycles and transport safety. Bulk quantities make up the majority of our dispatch schedule. The lowest order quantity we accept typically equals a full pallet load. This direct-from-plant approach means our minimum confirmed shipment sits at one metric ton net, packed for international or domestic freight.
Chemical handling demands sturdy, contamination-proof containment. We standardize our packaging using HDPE lined fiber drums (usually 25 kg net weight each), or heavy-duty export-grade bags for select customers running bulk intermediates. Our automated baggers or drum fillers help eliminate foreign matter. We pack tightly to minimize waste and avoid product shift during transit. Palletized drums remain our foundation for global shipping: each pallet carries the equivalent of twenty to forty drums, stretch-wrapped and batch-labeled for clear traceability all the way to your warehouse.
Every production run involves overhead. Our blending reactors, filtration, and drying lines function most efficiently at larger batch sizes. This helps maintain lot consistency, elevates product purity, and keeps factory safety standards high. Hexamethylene Bis (12-Hydroxystearamide) in particular requires controlled processing environments to prevent cross-contamination, especially as a specialty amide often used in demanding plastic, elastomer, and wax applications. Smaller runs risk quality deviation and add significant cost to each kilogram produced.
We ship globally to polymer compounders, hotmelt adhesive manufacturers, and textile auxiliaries, as well as R&D teams searching for performance enhancers. For every client, whether the order is a container load to an established multinational or a custom trial for a new project, our carton, drum, and bag sizes stay consistent with our factory logistics. We offer detailed lot analysis sheets for each shipment.
On specific projects, we've adapted our packing to match unusual feed systems or incorporation points. We review every custom request with our technical team to ensure packaging changes do not compromise product quality. While our standard size is 25 kg per drum or bag, and a full pallet per shipment, larger FIBC (jumbo bag) solutions or enhanced liners are available for tailored requirements, especially in export scenarios with complex climate or transit durations.
Over years of working with converters and technical buyers, we have seen the headaches caused by poorly matched packaging in bulk chemical applications. Our production and logistics staff always weigh operational efficiency against customer site needs. Minimum quantities are reviewed as our plant capacity expands or as automation improves, but we won’t compromise on the handling standards that define our output.
Whether your purchasing department needs bulk efficiency or you are running pilot formulations ahead of plant expansion, our team is always direct about our capabilities and constraints. We publish current packaging options and minimums to remove surprises from your procurement process and keep the focus on scale, safety, and consistent quality.
Regulatory compliance stands at the center of reliable chemical manufacturing. We produce Hexamethylene Bis (12-Hydroxystearamide) at our own dedicated facilities, and maintain close oversight on its entire lifecycle, from raw materials through delivery. The product falls within the scope of the European Union’s REACH regulation, which sets the benchmark for chemical safety, environmental stewardship, and market access in Europe.
REACH, or Registration, Evaluation, Authorisation and Restriction of Chemicals, requires the registration of substances manufactured or imported into the EU in volumes above one tonne per year. Our technical and regulatory teams handle the substance registration directly with the European Chemicals Agency (ECHA). The dossier includes detailed information on the chemical’s identity, composition, manufacturing process, intended uses, and risk management measures developed through direct experience in manufacturing and handling the product. This registration experience ensures that our product can circulate on the European market with confidence in its regulatory standing.
Our compliance does not rely on intermediaries or resellers. All testing, document preparation, and ongoing due diligence take place in-house, backed by regular reviews and updates according to the latest regulatory changes. The Safety Data Sheet is maintained by our own technical team. Clients in the EU and worldwide receive clear documentation confirming REACH registration, including the registration number and supporting information where required. The product has not been classified as a Substance of Very High Concern by the ECHA, and we provide up-to-date information regarding any changes in its regulatory status.
Transporting Hexamethylene Bis (12-Hydroxystearamide) requires a proactive approach on safety, packaging integrity, and customs documentation. Our direct shipments comply with all major international regulations, including IMDG for sea freight, IATA for air, and ADR for overland movement within Europe. Our logistics department regularly audits packaging solutions to assure product condition during transit, prevent leakage, contamination, or degradation, and meet legal requirements for labeling and handling. The material consistently ships in high-quality drums or bulk containers, sealed and labeled according to GHS, CLP, and other applicable hazard communication standards.
The product does not fall under the regulations for dangerous goods as per the UN Model Regulations, based on extensive testing and hazard classification performed in-house. This streamlines customs clearance and logistics, yet we never treat packaging or documentation as a minor step. Each batch ships with a full set of documents: Safety Data Sheet, Certificate of Analysis, Certificate of Origin, and regulatory compliance statements. Our export team has decades of hands-on experience in navigating the complexities of customs for destinations worldwide, with a focus on efficiency and traceability.
Clients benefit from the complete transparency and direct line of accountability that comes from dealing with the actual manufacturer. Any new requirements from changing import rules, destination-specific certifications, or updated packaging guidelines get integrated into our workflow as part of continuous improvement. Responsible chemical shipping means thinking beyond compliance — to safeguard people, assets, and the environment at each stage of the delivery chain.
Our experience manufacturing and supplying Hexamethylene Bis (12-Hydroxystearamide) to multinational users ensures the product arrives safely, legally, and with documentation recognized and accepted at customs in every region served. REACH compliance and robust international shipping stand as part of our day-to-day commitment to professional, reliable chemical supply.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales3@ascent-chem.com, +8615365186327 or WhatsApp: +8615365186327
