Acid Dyes

    Acid Yellow 49

    CAS 12239-15-5

    Technical data

    ProductAcid Yellow 49
    CAS No.12239-15-5
    C.I. No.18640
    Chemical classDisazo
    Physical appearanceYellow powder
    HueBright yellow
    SolubilitySoluble in water
    Dye content (typical)>98%
    Light fastness (typical)5 - 6
    Wash fastness (typical)2 - 3
    ApplicationsPolyamide Dyeing, Wool Dyeing, Silk Dyeing, Leather Dyeing
    RangeAcid Dyes

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

    About Acid Yellow 49

    Acid Yellow 49 is an acid dye manufactured and exported by Kewin Chemicals from Gujarat, India. It is identified by CAS number 12239-15-5, Colour Index number 18640. Chemically it is a disazo dye, supplied as a yellow powder with a bright yellow hue. Solubility: soluble in water. Typical applications: polyamide dyeing, wool dyeing, silk dyeing, leather dyeing.

    Questions

    What is the CAS number of Acid Yellow 49?
    The CAS number of Acid Yellow 49 is 12239-15-5.
    What is Acid Yellow 49 used for?
    Acid Yellow 49 is used in polyamide dyeing, wool dyeing, silk dyeing, leather dyeing.
    Can I get a sample of Acid Yellow 49?
    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.