trisodium 5-[[2,6-dihydroxy-3-[(4-nitrophenyl)azo]-5-[(4-sulphonato-1-naphthyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate

CAS No: 85851-56-5

trisodium,dihydroxy,nitrophenyl,sulphonato,naphthyl,phenyl,hydroxy,naphthalene,disulphonate