Pigment Yellow 181

颜料黄 181

Also known as: C.I. 11777, C.I. Pigment Yellow 181, Benzimidazolone Yellow H3R, N-[4-(aminocarbonyl)phenyl]-4-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]benzamide, 4-[[4-[[1,3-dioxo-1-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]butan-2-yl]diazenyl]benzoyl]amino]benzamide, N-(4-carbamoylphenyl)-4-[2-oxo-1-[(2-oxo-1,3-dihydrobenzoimidazol-5-yl)carbamoyl]propyl]diazenyl-benzamide

Pigment Yellow 181 (CAS 74441-05-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H21N7O5 and a molecular weight of 499.47800 g/mol. It is also known as C.I. 11777, C.I. Pigment Yellow 181 and Benzimidazolone Yellow H3R. Key properties include a boiling point of 628.3ºC at 760 mmHg, a density of 1.5 g/cm3 and a flash point of 333.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

74441-05-7

Jingsj CID

J-1498565-8

Molecular Formula

C₂₅H₂₁N₇O₅

Chinese Name

颜料黄 181

Molecular Weight

499.47800 g/mol

Category

Organic Compounds

Last updated

8/21/2026