naphthol as-D type iii repurified

    • Product Name: naphthol as-D type iii repurified
    • Chemical Name (IUPAC): 4-Amino-3-hydroxynaphthalene-1-sulfonic acid
    • CAS No.: 92-77-3
    • Chemical Formula: C10H7NO3S
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Road Nantong Economic and Technological Development Zone, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    585764

    Chemical Name Naphthol AS-D Type III Repurified
    Cas Number 91-97-4
    Molecular Formula C16H13NO2
    Molecular Weight 251.28 g/mol
    Appearance Off-white to light beige powder
    Purity ≥99% (repurified)
    Melting Point 187-191°C
    Solubility Slightly soluble in ethanol; insoluble in water
    Storage Conditions Store in a cool, dry place, protected from light
    Synonyms 3-Hydroxy-2-naphthoic acid anilide
    Usage Azo dye intermediate and color reagent
    Odor Odorless
    Stability Stable under recommended storage conditions

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