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                                                                                                              Para Amino Azo Benzene 4 Sulfonic Acid

                                                                                                              Chemical name: Para Amino Azo Benzene 4 Sulfonic Acid
                                                                                                              Structural formula: 
                                                                                                                           

                                                                                                              Chemical formula: C12H11N3O3S
                                                                                                              Molecular weight: 277.3
                                                                                                              CAS NO.:104-23-4
                                                                                                              Quality index:

                                                                                                              Item Index
                                                                                                              Appearance Orange to Brown Powder
                                                                                                              Water 1% Maxi
                                                                                                              Water Insolluble 0.2% Maxi
                                                                                                              4-Aminoazobenzene-3’-sulfonic
                                                                                                              acid  [102-23-8]                                                                                                              		 1 %  Maxi
                                                                                                              4-Aminoazobenzene [60-09-3] <  0.1%
                                                                                                              Sulphate  content 2500  PPM  Maxi
                                                                                                              Ash  content 0.1%  Maxi

                                                                                                              Main use: it is an intermediate of dyes, can be used to manufacture Acid Yellow 6, Acid Red 151, Acid Red 7, Acid Red 142, Direct Red 152
                                                                                                              Packing: 25kg plastic woven bag or upon clients' request.