2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis(phenylazo)- is a chemical compound registered under CAS number 7525-08-8, with the molecular formula C22H16N4O8S2 and a molecular weight of about 528.51 g/mol. NewsChem supplies 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis(phenylazo)- for laboratory research and bulk production; product code 712946. Send an inquiry for purity, packaging, price and lead time.