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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.