3-hydroxy-4-[(4-sulphonaphthyl)azo]naphthalene-2,7-disulphonic acid is a chemical compound registered under CAS number 642-59-1, with the molecular formula C20H14N2O10S3 and a molecular weight of about 538.53 g/mol. Its EINECS (EC) number is 211-385-1. It is also known as 2-Hydroxy-(1,1-azobisnaphthalene)-3,4,6-trisulfonic acid; 3-Hydroxy[1,4-azobisnaphthalene]-2,4,7-trisulfonic acid; 3-Hydroxy-4-(4-sulfo-1-naphtylazo)-2,7-naphthalenedisulfonic acid. ReagentForLab supplies 3-hydroxy-4-[(4-sulphonaphthyl)azo]naphthalene-2,7-disulphonic acid for laboratory research and bulk production; product code 1140053. Send an inquiry for purity, packaging, price and lead time.