Pigment Red 185

颜料红185

Also known as: Permanent Carmine HF4C, Pigment Red HF4C, C.I. Pigment Red 185, C.I. 12516, N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-methyl-4-[(methylamino)sulfonyl]phenyl]azo]naphthalene-2-carboxamide, N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-methyl-4-[(methylamino)sulphonyl]phenyl]azo]naphthalene-2-carboxamide, N-[(2,3-Dihydro-2-oxo-1H-benzimidazol)-5-yl]-3-hydroxy-4-[[2-methoxy-5-methyl-4-[(methylamino)sulfonyl]phenyl]azo]-2-naphthalenecarboxamide, 2-Naphthalenecarboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-(2-(2-methoxy-5-methyl-4-((methylamino)sulfonyl)phenyl)diazenyl)-, 3-hydroxy-4-[[2-methoxy-5-methyl-4-(methylsulfamoyl)phenyl]diazenyl]-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)naphthalene-2-carboxamide, (4Z)-4-[[2-methoxy-5-methyl-4-(methylsulfamoyl)phenyl]hydrazinylidene]-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)naphthalene-2-carboxamide, Pigment Red 185

Pigment Red 185 (CAS 51920-12-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H24N6O6S and a molecular weight of 560.58100 g/mol. It is also known as Permanent Carmine HF4C, Pigment Red HF4C and C.I. Pigment Red 185. Key properties include a melting point of 335-345ºC and a density of 1.3-1.4. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

51920-12-8

Jingsj CID

J-1344141-8

Molecular Formula

C₂₇H₂₄N₆O₆S

Chinese Name

颜料红185

Molecular Weight

560.58100 g/mol

Category

Organic Compounds

Last updated

8/21/2026