Lingwu, Yinchuan, Ningxia, China sales2@sinochem-nanjing.com 3170906422@qq.com
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Phosphorous Acid

    Specifications

    HS Code

    912200

    Chemicalname Phosphorous Acid
    Chemicalformula H3PO3
    Molarmass 82.00 g/mol
    Appearance White crystalline solid
    Odor Odorless
    Meltingpoint 73.6 °C
    Solubilityinwater Highly soluble
    Density 1.651 g/cm³
    Ph Acidic
    Casnumber 13598-36-2
    Boilingpoint Decomposes before boiling
    Commonuses Reducing agent, intermediate in chemical synthesis
    Stability Stable under normal conditions
    Hazardclass Corrosive
    Synonyms Phosphonic acid

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

    Packing & Storage
    Packing Phosphorous Acid is packaged in a 25 kg white HDPE drum with a secure screw cap, labeled with hazardous chemical warnings.
    Storage Phosphorous acid should be stored in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers and bases. Keep the container tightly closed and protected from moisture and direct sunlight. Use corrosion-resistant containers, preferably made of glass or certain plastics. Ensure proper labeling and keep away from food and drink. Handle with appropriate chemical safety measures.
    Shipping Phosphorous Acid should be shipped in tightly sealed containers, protected from moisture, and kept away from incompatible substances such as strong oxidizers. It is classified as a hazardous material and must be labeled with proper hazard warnings. Transport should comply with relevant local, national, and international regulations for hazardous chemicals.
    Free Quote

    Competitive Phosphorous Acid prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@sinochem-nanjing.com