disodium 2-[[4-[[2,4-diamino-5-[(2-hydroxy-5-sulphonatophenyl)azo]phenyl]azo]phenyl]amino]-5-nitrobenzenesulphonate is a chemical compound registered under CAS number 84521-99-3, with the molecular formula C24H18N8Na2O9S2 and a molecular weight of about 672.56 g/mol. It is also known as 2-[[4-[[2,4-Diamino-5-[[2-hydroxy-5-(sodiosulfo)phenyl]azo]phenyl]azo]phenyl]amino]-5-nitrobenzenesulfonic acid sodium salt; Disodium 2-((4-. FireTardant supplies disodium 2-[[4-[[2,4-diamino-5-[(2-hydroxy-5-sulphonatophenyl)azo]phenyl]azo]phenyl]amino]-5-nitrobenzenesulphonate for laboratory research and bulk production; product code 622161. Send an inquiry for purity, packaging, price and lead time.