3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitro-Naphthalene-1-Sulfonic Acid

3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitro-Naphthalene-1-Sulfonic Acid


    • Product Name 3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitro-Naphthalene-1-Sulfonic Acid
    • Alias R Acid
    • Einecs 217-710-3
    • 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

    100668

    Iupac Name 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid
    Molecular Formula C20H13N3O7S
    Molecular Weight 439.40 g/mol
    Cas Number 1658-56-6
    Appearance Dark reddish-brown to purple powder
    Solubility In Water Soluble
    Melting Point Decomposes above 300°C
    λmax 518 nm (aqueous solution)
    Pka 1.44 (approximate for sulfonic acid group)
    Usage pH indicator, dye
    Storage Conditions Store at room temperature, dry place
    Other Names Azo Violet, Acid Violet 7

    As an accredited 3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitro-Naphthalene-1-Sulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 10g chemical is packaged in a sealed amber glass bottle with a tamper-evident cap, labeled with hazard warnings and specifications.
    Storage Store 3-Hydroxy-4-[(2-Hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid in a tightly sealed container, protected from light, moisture, and incompatible substances. Keep in a cool, dry, and well-ventilated area, away from sources of ignition and strong oxidizers. Handle with appropriate personal protective equipment, and clearly label the storage area to ensure safe identification and handling.
    Shipping Shipping of **3-Hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid** must comply with relevant regulations for hazardous chemicals. It should be securely packed in a sealed, labeled container, protected from light and moisture, with appropriate documentation. Transportation must follow chemical safety standards, including spill control and emergency response instructions.
    Free Quote

    Competitive 3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitro-Naphthalene-1-Sulfonic 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