Lingwu, Yinchuan, Ningxia, China sales2@sinochem-nanjing.com 3170906422@qq.com
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Sodium Sulfite

    Specifications

    HS Code

    698405

    Chemical Name Sodium Sulfite
    Chemical Formula Na2SO3
    Molar Mass 126.04 g/mol
    Appearance White, crystalline powder
    Solubility In Water Highly soluble
    Melting Point 33.4 °C (decomposes)
    Density 2.633 g/cm³
    Odor Odorless
    Ph 1 Solution 9-10
    Cas Number 7757-83-7

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

    Packing & Storage
    Packing White, moisture-proof 25 kg plastic sack labeled "Sodium Sulfite, Na₂SO₃," with hazard symbols and batch information printed clearly.
    Storage Sodium sulfite should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as acids and oxidizers. Keep the container tightly closed and properly labeled. Protect from direct sunlight and sources of ignition. Store in corrosion-resistant containers and avoid exposure to air to prevent oxidation and degradation of the chemical.
    Shipping Sodium sulfite should be shipped in tightly sealed containers, protected from moisture, heat, and incompatible substances such as acids and oxidizing agents. It is typically transported as a non-hazardous material, but appropriate labeling and documentation are required. Avoid rough handling to prevent container damage and exposure to dust during shipping.
    Free Quote

    Competitive Sodium Sulfite 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