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-)

四钠(μ-((3,3'-((3,3'-二羟基(1,1'-联苯)-4,4'-二基)双(偶氮))双(4-羟基-6-(3-磺基苯胺基)萘-2-磺酸根))(8-)))二铜酸根(4-)

Also known as: C.I. Direct black 132, Cuprate(4-),[m-[[3,3'-[[3,3'-di(hydroxy-kO)[1,1'-biphenyl]-4,4'-diyl]bis(2,1-diazenediyl-kN1)]bis[4-(hydroxy-kO)-6-[(3-sulfophenyl)amino]-2-naphthalenesulfonato]](8-)]]di-,sodium (1:4), 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-)

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-) (CAS 74432-30-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C44H32Cu2N6Na4O16S4+4 and a molecular weight of 1248.1 g/mol. It is also known as C.I. Direct black 132, Cuprate(4-),[m-[[3,3'-[[3,3'-di(hydroxy-kO)[1,1'-biphenyl]-4,4'-diyl]bis(2,1-diazenediyl-kN1)]bis[4-(hydroxy-kO)-6-[(3-sulfophenyl)amino]-2-naphthalenesulfonato]](8-)]]di-,sodium (1:4) and Kayarus supra grey 3BL. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

74432-30-7

Jingsj CID

J-316824-4

Molecular Formula

C₄₄H₃₂Cu₂N₆Na₄O₁₆S₄₄

Chinese Name

四钠(μ-((3,3'-((3,3'-二羟基(1,1'-联苯)-4,4'-二基)双(偶氮))双(4-羟基-6-(3-磺基苯胺基)萘-2-磺酸根))(8-)))二铜酸根(4-)

Molecular Weight

1248.1 g/mol

Category

Organic Acids

Last updated

8/21/2026