Direct Dyes

    Direct Blue 71

    CAS 4399-55-7

    Technical data

    ProductDirect Blue 71
    CAS No.4399-55-7
    Chemical classTrisazo
    Physical appearanceBlue powde
    HueDull blue
    SolubilitySoluble in water
    Light fastness (typical)4 - 5
    Wash fastness (typical)1 - 2
    ApplicationsLeather Dyeing, Paper Dyeing, Cotton Dyeing
    RangeDirect Dyes

    Typical values for the standard grade. Every batch ships with its own certificate of analysis (COA).

    About Direct Blue 71

    Direct Blue 71 is a direct dye manufactured and exported by Kewin Chemicals from Gujarat, India. It is identified by CAS number 4399-55-7. Chemically it is a trisazo dye, supplied as a blue powde with a dull blue hue. Solubility: soluble in water. Typical applications: leather dyeing, paper dyeing, cotton dyeing.

    Questions

    What is the CAS number of Direct Blue 71?
    The CAS number of Direct Blue 71 is 4399-55-7.
    What is Direct Blue 71 used for?
    Direct Blue 71 is used in leather dyeing, paper dyeing, cotton dyeing.
    Can I get a sample of Direct Blue 71?
    Yes. Request a sample with the form on this page and our export team will reply by email or WhatsApp with availability, documents and shipping terms.