2-Naphthol-3,7-Naphthalenedisulfonic Acid Disodium Salt

    • Product Name: 2-Naphthol-3,7-Naphthalenedisulfonic Acid Disodium Salt
    • Chemical Name (IUPAC): disodium 3,7-disulfonato-2-naphtholate
    • CAS No.: 134-51-6
    • Chemical Formula: C10H6Na2O7S2
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    124195

    Cas Number 6418-11-9
    Molecular Formula C10H6O7S2Na2
    Molecular Weight 384.26 g/mol
    Synonyms R Acid, 2-Naphthol-3,7-disulfonic acid disodium salt
    Appearance Light brown powder
    Solubility Soluble in water
    Melting Point Decomposes
    Purity Typically >85%
    Storage Conditions Store at room temperature, in a dry place
    Ph 1 Solution 5.5 – 7.5
    Ec Number 229-123-6
    Chemical Structure Naphthalene ring with sulfonic acid groups at 3 and 7, and hydroxyl at 2, sodium salts
    Usage Intermediate for dyes and pigments

    As an accredited 2-Naphthol-3,7-Naphthalenedisulfonic Acid Disodium Salt factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is packaged in a sealed, amber glass bottle containing 25 grams, with a secure screw cap and clear hazard labeling.
    Container Loading (20′ FCL) Container loading (20′ FCL): 11 metric tons packed in 25 kg HDPE bags, stacked securely for safe international shipment.
    Shipping 2-Naphthol-3,7-Naphthalenedisulfonic Acid Disodium Salt is shipped in tightly sealed containers to prevent moisture entry and contamination. Packages are clearly labeled and handled as a chemical substance, complying with safety and regulatory requirements. It is transported under ambient conditions, avoiding extremes of temperature, and follows all relevant hazardous material guidelines.
    Storage 2-Naphthol-3,7-Naphthalenedisulfonic Acid Disodium Salt should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture, heat, and incompatible materials. Protect from light and avoid prolonged exposure to air. Ensure proper labeling, and access should be limited to trained personnel. Follow all relevant safety and storage regulations for laboratory chemicals.
    Shelf Life 2-Naphthol-3,7-Naphthalenedisulfonic Acid Disodium Salt is stable for at least 2 years when stored in a cool, dry place.
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