2- phenylamino-5-naphthol-7-sulfonic acid

    • Product Name: 2- phenylamino-5-naphthol-7-sulfonic acid
    • Chemical Name (IUPAC): 2-[(Phenylamino)sulfanyl]naphthalene-1,7-disulfonic acid
    • CAS No.: 93-02-7
    • Chemical Formula: C16H13NO4S
    • Form/Physical State: Powder
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    732010

    Chemical Name 2-Phenylamino-5-naphthol-7-sulfonic acid
    Molecular Formula C16H13NO4S
    Molecular Weight 315.34 g/mol
    Appearance Solid
    Color Typically brown to reddish-brown
    Solubility In Water Slightly soluble
    Cas Number 92-62-6
    Synonyms Acid Violet 7 base, Naphthol AS-BS
    Boiling Point Decomposes before boiling
    Functional Groups Amino, Hydroxyl, Sulfonic acid, Aromatic rings
    Stability Stable under recommended storage conditions
    Odor Odorless
    Application Used as a dye intermediate
    Storage Conditions Store in a cool, dry, well-ventilated area

    As an accredited 2- phenylamino-5-naphthol-7-sulfonic acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White HDPE bottle containing 100 grams of 2-phenylamino-5-naphthol-7-sulfonic acid, labeled with product details and safety information.
    Container Loading (20′ FCL) Container loading (20′ FCL): Securely packed in 25 kg bags/drums, stacked on pallets, 16-18 metric tons per container, moisture-protected.
    Shipping **Shipping Description for 2-Phenylamino-5-naphthol-7-sulfonic acid:** This chemical should be shipped in tightly sealed, corrosion-resistant containers. Store and transport in a cool, dry area, protected from direct sunlight and moisture. Proper labeling and documentation are required. Follow applicable transportation regulations for chemicals and handle with appropriate personal protective equipment to ensure safe transit.
    Storage 2-Phenylamino-5-naphthol-7-sulfonic acid should be stored in a tightly closed, clearly labeled container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and bases. Protect from light, moisture, and sources of ignition. Wear appropriate protective gear when handling, and follow relevant chemical hygiene and disposal guidelines for storage and handling.
    Shelf Life 2-Phenylamino-5-naphthol-7-sulfonic acid typically has a shelf life of 2–3 years when stored cool, dry, and tightly sealed.
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