Direct Congo Red 4B

    • Product Name: Direct Congo Red 4B
    • Mininmum Order: 1 g
    • Factroy Site: West Ujimqin Banner, Xilingol League, Inner Mongolia, China
    • Price Inquiry: sales9@bouling-chem.com
    • Manufacturer: Bouling Coating
    • CONTACT NOW
    Specifications

    HS Code

    566130

    Productname Direct Congo Red 4B
    Casnumber 573-58-0
    Chemicalclass Azo dye
    Molecularformula C32H22N6Na2O6S2
    Molecularweight 696.66 g/mol
    Appearance Red powder
    Solubility Soluble in water
    Colorindexnumber 22120
    Maximumabsorptionwavelength 498 nm
    Phrange 5-7
    Usage Textile, paper and biological staining
    Meltingpoint Decomposes
    Stability Stable under normal conditions

    As an accredited Direct Congo Red 4B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Direct Congo Red 4B is packaged in a 25 kg net weight fiber drum, featuring moisture-resistant lining and clearly labeled hazard warnings.
    Storage Direct Congo Red 4B should be stored in a tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight, heat, and incompatible materials such as strong oxidizers. Proper labeling is essential to avoid confusion. Personal protective equipment (PPE) should be used when handling, and storage areas should be equipped with appropriate spill containment and cleanup materials.
    Shipping Direct Congo Red 4B is shipped in sealed, moisture-proof containers, clearly labeled with hazard and handling information. It must be transported according to local, national, and international chemical safety regulations, avoiding exposure to moisture, heat, and incompatible substances. Ensure appropriate documentation, including safety data sheets, accompanies the shipment for safe handling and compliance.
    Free Quote

    Competitive Direct Congo Red 4B prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615651039172

    Email: sales9@bouling-chem.com