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 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

    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.

    Packing & Storage
    Packing Naphthol Red F5RK-S is packaged in a 25 kg sturdy fiber drum with a tightly sealed inner polyethylene liner for secure storage.
    Container Loading (20′ FCL) Naphthol Red F5RK-S is loaded in 20′ FCLs with secure packaging, maximizing container space for safe, efficient transportation.
    Shipping Naphthol Red F5RK-S is shipped in tightly sealed containers, protected from moisture and direct sunlight. It should be handled in accordance with standard chemical transport regulations, classified as non-hazardous for shipping. Proper labeling, documentation, and packaging ensure safe transit, with temperature control recommended to prevent degradation or contamination during shipment.
    Storage Naphthol Red F5RK-S should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight, sources of ignition, and incompatible substances such as strong oxidizers. Protect from moisture and avoid prolonged exposure to air. Ensure appropriate labeling and restrict access to trained personnel. Follow all relevant local, state, and federal storage regulations.
    Shelf Life Naphthol Red F5RK-S typically has a shelf life of 12–24 months if stored in tightly sealed containers, cool, and dry conditions.
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    Tel: +8615371019725

    Email: sales7@boxa-chem.com

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    Certification & Compliance