Sodium Hypophosphite

    • Product Name: Sodium Hypophosphite
    • Chemical Name (IUPAC): Sodium phosphinate
    • CAS No.: 7681-53-0
    • Chemical Formula: NaH2PO2
    • Form/Physical State: Powder/Solid
    • Factroy Site: No. 1417 Dianchi Road, Xishan District, Kunming City, Yunnan Province, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Yunnan Yuntianhua Co., Ltd.
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    Specifications

    HS Code

    990920

    Chemicalname Sodium Hypophosphite
    Chemicalformula NaH2PO2
    Molarmass 105.99 g/mol
    Casnumber 7681-53-0
    Appearance White crystalline solid
    Solubilityinwater Very soluble
    Meltingpoint 200 °C (decomposes)
    Odor Odorless
    Density 1.5 g/cm³
    Ph Approximately 6.0-8.5 (50g/L, H2O, 20°C)
    Stability Stable under recommended storage conditions
    Mainuses Reducing agent (mainly in electroless nickel plating)

    As an accredited Sodium Hypophosphite factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Application of Sodium Hypophosphite

    Purity 99%: Sodium Hypophosphite with purity 99% is used in electroless nickel plating, where it ensures uniform metal deposition and high plating rate.

    Particle size <50 µm: Sodium Hypophosphite with particle size less than 50 micrometers is used in polymer additive manufacturing, where it facilitates homogeneous mixing and enhances material consistency.

    Moisture content <0.5%: Sodium Hypophosphite with moisture content below 0.5% is used in pharmaceutical synthesis, where it maintains reactant stability and prevents hydrolysis.

    Melting point 264°C: Sodium Hypophosphite with a melting point of 264°C is used in flame retardant formulations, where it imparts high thermal resistance and minimizes flammability.

    Stability temperature up to 200°C: Sodium Hypophosphite with stability temperature up to 200°C is used in textile processing, where it provides reliable reducing power and prevents oxidative degradation.

    Granular form: Sodium Hypophosphite in granular form is used in water treatment systems, where it enables easy handling and consistent dosing for scale inhibition.

    Packing & Storage
    Packing Sodium Hypophosphite is packaged in a 25 kg white HDPE drum with a secure lid, labeled with safety information and batch number.
    Container Loading (20′ FCL) 20′ FCL: Standard loading is 16MT (palletized) or 18MT (non-palletized), packed in 25kg drums or bags for Sodium Hypophosphite.
    Shipping Sodium Hypophosphite should be shipped in tightly sealed containers, protected from moisture and heat. It is classified as a hazardous material and must be labeled accordingly. Transportation must comply with applicable local, national, and international regulations, ensuring secure packaging to prevent leakage, contamination, or exposure during transit.
    Storage Sodium hypophosphite should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from heat sources, moisture, and incompatible materials such as oxidizers and acids. It should be protected from physical damage, direct sunlight, and ignition sources. Proper labeling and segregation from reactive substances are essential to prevent hazardous reactions and ensure safe storage conditions.
    Shelf Life Sodium hypophosphite typically has a shelf life of about 2 years, stored tightly sealed in a cool, dry, and ventilated area.
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