4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid)

4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid)


    • Product Name 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid)
    • Alias chrysoidine G
    • Einecs 240-011-7
    • Mininmum Order 1 g
    • Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry sales7@alchemist-chem.com
    • Manufacturer Ccount Chem
    • CONTACT NOW
    Specifications

    HS Code

    242149

    Chemical Name 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid)
    Cas Number 19490-78-9
    Molecular Formula C21H16N2O9S2
    Molecular Weight 520.49 g/mol
    Appearance Yellow to brown powder
    Solubility Soluble in water
    Melting Point Decomposes before melting
    Purity Typically >95%
    Ph Value approx. 4-6 (1% aqueous solution)
    Stability Stable under recommended storage conditions
    Storage Temperature Room temperature, keep container tightly closed and dry
    Synonyms Diacid Violet 17; Urea azo dye derivative
    Odor Odorless
    Application Azo dye intermediate, analytical chemistry

    As an accredited 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is supplied in a sealed 100g amber glass bottle with a tamper-evident cap and clear hazard labeling for safety.
    Storage 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid) should be stored in a tightly sealed container, in a cool, dry, and well-ventilated place, away from incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. Always label containers clearly and keep them in a designated chemical storage area, with access restricted to trained personnel.
    Shipping **Shipping Description:** 4,4'-Dihydroxy-7,7'-Ureylenedi(naphthalene-2-sulphonic acid) should be shipped in tightly sealed containers, protected from moisture, heat, and incompatible materials. Ensure compliance with applicable regulations for chemical transport. The package should be clearly labeled, with required documentation and safety data sheets accompanying the shipment. Handle with care to prevent leaks or spills.
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    Competitive 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid) prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@alchemist-chem.com.

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    Tel: +8615371019725

    Email: sales7@alchemist-chem.com