Naphthol Red F3RK

    • Product Name: Naphthol Red F3RK
    • Chemical Name (IUPAC): 5-[(4-Chloro-2-nitrophenyl)azo]-2-hydroxy-N-phenyl-3-naphthalenecarboxamide
    • CAS No.: 12237-63-7
    • Chemical Formula: C24H15Cl2N3O3
    • 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

    987578

    Chemical Name Naphthol Red F3RK
    Cas Number 2786-76-7
    Molecular Formula C24H17Cl2N3O2
    Molecular Weight 450.32 g/mol
    Color Index Pigment Red 170
    Appearance Red powder
    Melting Point 240-242°C (decomposes)
    Solubility Insoluble in water
    Lightfastness Good
    Usage Pigment in paints, inks, and plastics
    Density 1.5-1.6 g/cm³
    Stability Stable under normal conditions

    As an accredited Naphthol Red F3RK factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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