1-Naphthalenesulfonicacid,3-hydroxy-4-[2-[4-[[(2-methylphenyl)amino]carbonyl]-1-naphthalenyl]diazenyl]-7-nitro-,sodium salt (1:1) is a chemical compound registered under CAS number 121745-47-9, with the molecular formula C28H20N4O7S·Na and a molecular weight of about 579.54 g/mol. It is also known as 1-Naphthalenesulfonicacid,3-hydroxy-4-[[4-[[(2-methylphenyl)amino]carbonyl]-1-naphthalenyl]azo]-7-nitro-,monosodium salt (9CI); Lanasyn Black BRL. ChemIBD supplies 1-Naphthalenesulfonicacid,3-hydroxy-4-[2-[4-[[(2-methylphenyl)amino]carbonyl]-1-naphthalenyl]diazenyl]-7-nitro-,sodium salt (1:1) for laboratory research and bulk production; product code 1377750. Send an inquiry for purity, packaging, price and lead time.