We mainly produce and export Dyes Intermediates, welcome to visit our main products as follows: 1. H Acid 85%min Chemical Name: 1-Amino 8-naphthal, 3, 6-disulphonic Acid Monosodium Salt Molecular Formula: C10H8O7NS2Na Molecular Weight: 341.3 CAS: 5460-09-3 Appearance: grey to light grey powder Purity Specifications: Purity: 85%min Main Uses: Used to produce all kinds of azo dyes, used to dye wools, textiles, papers and paper textiles; Also used to synthesize pharmaceutical. 2. H Acid 80%min Chemical Name: 1-amino-8-naphthol-3, 6-disulfonic acid Other Name: H Acid Molecular Formula: C10H9O7NS2 Molecular Weight: 319.31 CAS: 90-20-0 Appearance: Grey White Powder Purity(MW:319): 80.0%min Use: Mainly for the production of single acidic, direct and reactive dyes, such as acid magenta red G, 6B, acidic acid black BNCT, direct black, active liquor, purple 2BP - K K - 3R, active soluble blue K - more than 90 of these dyes for wool, cotton fabric dyeing, it also can be used in the production of drugs. For more information, we welcome your kind enquiry by:info AT cnwelcom DOT com DOTcn