Wusu, Tacheng Prefecture, Xinjiang, China sales7@sinochem-nanjing.com 3389378665@qq.com
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Hydroxynaphthol Blue

    • Product Name Hydroxynaphthol Blue
    • Alias Naphthol Blue Black
    • Einecs 240-028-2
    • Mininmum Order 1 g
    • Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    Specifications

    HS Code

    791066

    Product Name Hydroxynaphthol Blue
    Cas Number 63451-35-4
    Molecular Formula C20H14O5S
    Molecular Weight 366.39 g/mol
    Appearance Dark brown to purple powder
    Solubility Slightly soluble in water
    Absorption Maximum Around 610 nm (aqueous solution)
    Ph Indicator Range 6.2 (blue) to 7.7 (red)
    Storage Conditions Store at room temperature, protected from light
    Synonyms Xylenol Blue, Sulfonaphtho-hydroxynaphthol blue, HNB
    Applications Used as a complexometric indicator, pH indicator, and in microbiology

    As an accredited Hydroxynaphthol Blue factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Hydroxynaphthol Blue is supplied in a 25g amber glass bottle with a tightly sealed screw cap, clearly labeled with hazard information.
    Storage Hydroxynaphthol Blue should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. The storage area should be clearly labeled and protected from moisture to prevent degradation and contamination. Follow all recommended safety and regulatory guidelines for handling and storage of chemical indicators.
    Shipping Hydroxynaphthol Blue is shipped in tightly sealed containers to prevent moisture absorption and contamination. It should be stored and transported in a cool, dry place, away from incompatible substances. Handle with appropriate protective equipment according to SDS guidelines, and comply with relevant local, national, and international shipping regulations for chemicals.
    Free Quote

    Competitive Hydroxynaphthol Blue 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@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@sinochem-nanjing.com