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J Acid
J Acid

CAS NO : 87-02-5 7-Amino-4-naphthol-2-sulfonic acid;2-Amino-5-naphthol-7-sulfonic acid;J acid; CAS NO : 87-02-5 7-Amino-4-naphthol-2-sulfonic acid;2-Amino-5-naphthol-7-sulfonic acid;J acid;6-Amino-1-naphthol-3-sulfonic acid;7-Amino-4-hydroxynaphtalene-2-sulfonic acid Content : 99%min Nature : the goods for white or light gray irregular crystals. Hard soluble in cold water, slightly soluble in water, soluble in ethanol almost. J acid and ferric chloride solution total heat generation brown sediments, and two calcium chloride production yellow brown sediments, water-soluble sodium blue fluorescence. Purposes : the goods for the dye intermediates, used in the manufacture of dyes, such as direct Qinglian R, direct light gray introgressed segments directly acid purple, pink direct, direct copper stained dark blue, BLUE B2R, active red, brilliant orange, green and reddish brown dye, etc., can be used in the manufacture of Scarlet acid and J phenyl acid.

J Acid

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