disodium 4-hydroxy-3-[(4-nitrophenyl)azo]-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate is a chemical compound registered under CAS number 6441-94-7, with the molecular formula C23H16N4Na2O11S3 and a molecular weight of about 666.57 g/mol. Its EINECS (EC) number is 229-232-2. It is also known as 4-Hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt; C.I.18115; C.I.Acid Red 76. KingChemi supplies disodium 4-hydroxy-3-[(4-nitrophenyl)azo]-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate for laboratory research and bulk production; product code 1413233. Send an inquiry for purity, packaging, price and lead time.