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4-AMINOTOLUENE-3-SULFONIC ACID CAS88-44-8Dye intermediate. 4B acid and 2, 3- acid can be prepared by coupling, pigment red 6B, vertical cable Bao red BK; coupling and 2- naphthol, can make pigment yellow bright red BL. These pigments are widely used in printing ink, plastic, rubber, wire and cable, daily chemical products such as coloring -
5-AMINO-1-NAPHTHALENESULFONIC ACID CAS84-89-9For the preparation of acid dyes and reactive dyes, intermediates and 1- naphthol -5- sulfonic acid -
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6-AMINO-2-NAPHTHOIC ACID CAS116668-47-4Aromatic Amino Acids, Chemical Biology, Chemical Synthesis, Peptide Chemistry, Unnatural Amino Acid Derivatives -
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