Naphthol Red F5RK-S

    • Product Name: Naphthol Red F5RK-S
    • Chemical Name (IUPAC): 3-Hydroxy-4-[(2-methoxy-5-methyl-4-sulfonatophenyl)azo]-2-naphthalenecarboxylic acid, calcium salt
    • CAS No.: 12237-63-7
    • Chemical Formula: C24H16Cl3N3O4
    • Form/Physical State: Powder
    • 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

    999439

    Product Name Naphthol Red F5RK-S
    Cas Number 7585-41-3
    Color Index Pigment Red 5
    Chemical Formula C24H17Cl2N3O2
    Appearance Red powder
    Molecular Weight 450.33 g/mol
    Density 1.5–1.7 g/cm³
    Melting Point >300°C (decomposes)
    Solubility Insoluble in water
    Lightfastness Good
    Oil Absorption 40–50 g/100g pigment
    Usage Used in paints, inks, plastics, and coatings

    As an accredited Naphthol Red F5RK-S factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Tel: +8615371019725

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