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 chrysamine G
    • Einecs 224-120-9
    • 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

    754501

    Cas Number 1139-11-5
    Iupac Name 4,4'-dihydroxy-7,7'-ureylenedinaphthalene-2-sulfonic acid
    Molecular Formula C21H16N2O8S2
    Molecular Weight 504.49 g/mol
    Appearance Yellow to brown powder
    Solubility In Water Soluble
    Melting Point Decomposes before melting
    Ph Value acidic in aqueous solution
    Synonyms Acid Yellow 9, Ureylene Yellow R
    Main Application Azo dye intermediate
    Functional Groups hydroxyl, sulfonic acid, urea

    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 Sealed amber glass bottle containing 100g of 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid), labeled with safety and handling instructions.
    Storage 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid) should be stored in a tightly sealed container, protected from moisture and direct sunlight. Keep it in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers. Label the storage container clearly and follow standard laboratory chemical safety protocols to prevent contamination and accidental exposure.
    Shipping 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid) should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Appropriate labeling and documentation according to chemical safety regulations are required. Transport should comply with applicable hazardous material guidelines to prevent spills and environmental contamination. Handle with suitable personal protective equipment.
    Free Quote

    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.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@alchemist-chem.com