Solvent Black 7

    • Product Name: Solvent Black 7
    • Alias: Nigrosine
    • Einecs: 204-337-6
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    699404

    Name Solvent Black 7
    Synonyms Oil Black O, Nigrosin Oil, Sudan Black B
    Cas Number 8005-02-5
    Molecular Formula C29H24N6
    Molecular Weight 444.54 g/mol
    Appearance Black powder or granules
    Solubility Soluble in oils, alcohol, and organic solvents; insoluble in water
    Melting Point 120-124°C (decomposes)
    Uses Coloring oils, waxes, plastics, inks, and biological stains
    Maximum Absorption Wavelength approx. 596 nm
    Ec Number 232-370-7
    Chemical Class Azo dye

    As an accredited Solvent Black 7 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Solvent Black 7 is packaged in a sealed 500-gram amber bottle, labeled with hazard symbols, chemical name, and handling instructions.
    Shipping Shipping of Solvent Black 7 should comply with local and international regulations for handling dyes. The chemical must be packed in sealed, airtight containers, clearly labeled, and protected from moisture and direct sunlight. During transport, it should be handled as a non-hazardous material unless otherwise classified by local authorities.
    Storage Solvent Black 7 should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Protect from moisture, heat, and direct sunlight. Ensure proper labeling and keep out of reach of unauthorized personnel. Follow all relevant safety and regulatory guidelines during storage.
    Free Quote

    Competitive Solvent Black 7 prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@ascent-chem.com

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