Benzenesulfonic acid, 4-4-(4-hydroxyphenyl)azophenylamino-3-nitro-, sodium salt is a chemical compound registered under CAS number 156738-27-1, with the molecular formula C18H14 N4 O6 S . x Na. Its EINECS (EC) number is 416-370-5. It is also known as 4-[4-(4-Hydroxyphenylazo)phenylamino]-3-nitrobenzenesulfonic acid, sodium salt; sodium 4-[4-(4-hydroxyphenylazo)phenylamino]-3-nitrobenzenesulfonate; [(4-hydroxyphenyl)azo]pheny. ClickChemi supplies Benzenesulfonic acid, 4-4-(4-hydroxyphenyl)azophenylamino-3-nitro-, sodium salt for laboratory research and bulk production; product code 1154099. Send an inquiry for purity, packaging, price and lead time.