NITROSULFONAZO III, INDICATOR GRADE is a chemical compound registered under CAS number 94732-99-7, with the molecular formula C22H14 N6 O18 S4 . 2 Na and a molecular weight of about 822.59 g/mol. It is also known as Disodium dihydrogen 4,5-dihydroxy-3,6-bis((4-nitro-2-sulphonatophenyl)azo)naphthalene-2,7-disulphonate; disodium; 4,5-dihydroxy-3,6-bis[(4-nitro-2-sulfonato-phenyl)azo]naphthalene-2,7-disulfonate. FireTardant supplies NITROSULFONAZO III, INDICATOR GRADE for laboratory research and bulk production; product code 268511. Send an inquiry for purity, packaging, price and lead time.