Intermediate

4'-aminoazobenzene-4-sulfo-acid

English name 4'-aminoazobenzene-4-sulfonic acid
Chinese alias Amino phenyl azo - 4 - sulfonic acid; PAABSA; 4-aminoazobenzene 4 sulfonate; p-aminoazobenzene 4 sulfonate; p-aminoazobenzene - sulfonic acid; 4-aminoazobenzene - sulfonic acid; p-aminoazobenzene - sulfonic acid; four sulfonic acid
CAS RN 104-23-4
EINECS number 203-187-9
Molecular formula C12H11N3O3S
Molecualr mass 277.299
Application prepared for dye intermediates
4'-氨基偶氮苯-4-磺酸