Name2-Naphthalenesulfonicacid,7-(acetylamino)-4-hydroxy-3-[2-[2-[[(phenylsulfonyl)amino]sulfonyl]phenyl]diazenyl]-,sodium salt (1:?) CAS83027-48-9 Synonyms2-Naphthalenesulfonicacid,7-(acetylamino)-4-hydroxy-3-[[2-[[(phenylsulfonyl)amino]sulfonyl]phenyl]azo]-,sodium salt (9CI) EINECS(EC#)280-151-9 Molecular FormulaC24H20 N4 O9 S3 . x Na Molecular Weight626.61383