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4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid

    • Product Name 4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid
    • Alias Naphthol Yellow S
    • Einecs 209-049-3
    • Mininmum Order 1 g
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@ar-reagent.com
    • Manufacturer Nanjing Finechem Holdings Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    545575

    Chemical Name 4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid
    Molecular Formula C10H7NO5S
    Molecular Weight 253.23 g/mol
    Cas Number 116-97-8
    Appearance Orange to brown powder
    Solubility Soluble in water
    Melting Point Decomposes above 250°C
    Synonyms Naphthol Yellow S, Naphthol Yellow
    Ph Value Acidic in aqueous solution
    Storage Conditions Store at room temperature, protect from light
    Functional Groups Hydroxy, nitroso, sulfonic acid
    Application Analytical reagent, dye intermediate

    As an accredited 4-Hydroxy-3-nitroso-1-naphthalenesulfonic 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 packaged in a 25g amber glass bottle with a white screw cap and Sigma Aldrich labeling, including hazard information.
    Shipping 4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid is shipped in tightly sealed containers, typically amber glass bottles, to protect from light and moisture. Classified as a chemical reagent, it requires ground transport or air shipment under regulated conditions. Handle with care, following SDS guidelines. Shipping complies with all hazardous material regulations.
    Storage Store **4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid** in a tightly sealed container, away from direct sunlight, moisture, and incompatible substances such as strong oxidizers and reducing agents. Keep in a cool, dry, and well-ventilated area, ideally at room temperature (15–25°C). Ensure proper labeling, and follow safety protocols, including appropriate personal protective equipment (PPE) during handling and storage.
    Free Quote

    Competitive 4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@ar-reagent.com

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    Certification & Compliance