Dye & Pigment Intermediates 4,4'-DINITRO STILBENE-2,2'-DISULFONIC ACID

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Dye & Pigment Intermediates 4,4'-DINITRO STILBENE-2,2'-DISULFONIC ACID
Posting date : Nov 23, 2006
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32-
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HeBei Hua-chem Group --ProductIntroduction 4,4'-DINITRO STILBENE-2,2'-DISULFONIC ACID CAS 128-42-7 Appearance Orange-yellow powder Contents(On basis of total sample) % ≥ 80.0 Dinitro benzyl value(On basis of total sample) % ≤4.0 Other oranic impurities(On basis of total sample) % ≤1.0 Contents of inorganic salt(On basis of total sample) % ≤ 10.0 (6)Insoluble in water (On basis of total sample)% ≤ 1.0 Usage:It is a kind of dyes intermediates.Can be used in manufacture of DSD Acid. Packing: 25kg net poly-woven bags or as the customers' requirements.

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