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    H-Acid
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    Generic Name Colour Index Hue
    Synonyms 1-Amino-8-Naphtol-3,6 Disulfonic Acid (Sodium Salt)
    8-Amino-1-Naphtol-3,6 Disulfonic Acid (Sodium Salt)
    1-Amino-8-Hydroxynaphthalene-3,6-Disulfonic Acid
    Mono Sodium Salt
    4-Amino-5-Hydroxynaphthalene-2,7-Disulfonic Acid
    Mono Sodium Salt
    Empirical formula C H O NS 10 9 7 2 (Free Acid mw 319) C H O NS NA 10 9 7 2 (Mono Sodium Salt mw 341)
    CAS-No. 5460-9-3
    Appearance off-white to light grey powder.
    Strength 80.00 % min. (on mw 319)
    85.00 % min. (on mw 341)
    Insoluble Matter in Dilute Soda Ash Sol. 0.10 % max. on 100 %
    Impurities
    Chromotropic acid
    Koch acid
    Omega acid
    0.8 % max. on 100 %
    0.2 % max. on 100 %
    0.2 % max. on 100 %
    Sales Basis On 100 % (Real Weight.)
    Packing PP/PE-woven Bags. (As per the requirement of the customer.)
    Use Intermediate for dyestuffs.
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