CAS NO. 74432-30-7 | tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonato]](8-)]]dicuprate(4-)

tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonato]](8-)]]dicuprate(4-)

C.I. Direct black 132	Kayarus supra grey 3BL
tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonato]](8-)]]dicuprate(4-)