H Acid

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H Acid , *-amino**-naphthol*3, *-disulfonic acid Molecular Weight: **9.*1 CAS: ******0 Product H Acid Apperance Colorless crystalline Colorless crystalline Colorless crystalline Colorless crystalline Colorless crystalline Colorless crystalline Purity(M.W.**9)% ≧*0 *0.*5 *0.*5 *0.*0 *0.*0 *0.*1 HPLC% ≧*7.*0 *7.*0 *7.*5 *7.*5 *7.*0 *7.*5 Chromo Acid% ≦1.*0 1.*0 1.*8 1.*0 1.*8 1.*0 T-Acid% ≦0.*0 0.*6 0.*0 0.*8 0.*0 0.*3 W-Acid ≦0.*0 0.*4 0.*9 0.*0 0.*0 0.*4 K-Acid ≦0.*0 0.*9 0.*3 0.*2 0.*9 0.*1 Insoluble% ≦0.*0 0.*1 0.*8 0.*5 0.*0 0.*7 Moisture ≦5.0 4.*0 4.*4 4.*2 4.*0 3.*8 Use: H - acid sodium salt, 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 *0 of these dyes for wool, cotton fabric dyeing. Can be used in the production of drugs.