中文名称:颜料黄 181
  • C.I.颜料黄181; 苯并咪唑酮H3R; N-[4-(氨基羰基)苯基]-4-[[1-[[(2,3-二氢-2-氧代-1H-苯并咪唑-5-基)-氨基]羰基]-2-氧代丙基]偶氮]苯甲酰胺
  • N-[4-(aminocarbonyl)phenyl]-4-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]benzamide
  • 11777; C.I.Pigment Yellow 181; P.Y.181; Benzimidazolone Yellow H3R; N-[4-(aminocarbonyl)phenyl]-4-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-osopropyl]azo]-Benzamide; N-(4-carbamoylphenyl)-4-[(E)-{1,3-dioxo-1-[(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)amino]butan-2-yl}diazenyl]benzamide; 4-[[4-[2-oxo-1-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)carbamoyl]propyl]azobenzoyl]amino]benzamide; Pigment Yellow 181
  • 74441-05-7
  • 277-873-1
  • C25H21N7O5
  • 499.4781
  • InChI=1/C25H21N7O5/c1-13(33)21(24(36)28-18-10-11-19-20(12-18)30-25(37)29-19)32-31-17-8-4-15(5-9-17)23(35)27-16-6-2-14(3-7-16)22(26)34/h2-12,21H,1H3,(H2,26,34)(H,27,35)(H,28,36)(H2,29,30,37)
  • 颜料黄 181 74441-05-7
  • 1.5g/cm3
  • 628.3°C at 760 mmHg
  • 333.8°C
  • 1.07E-15mmHg at 25°C

  • 色相或色光:黄色
    密度/(g/cm3):1.48
    平均粒径/μm:560
    比表面积/(m2/g):27(H3R)
    衍射曲线:
    反射曲线:

  • 该颜料品种为近年投放市场的另一结构的苯并咪唑酮红光黄色品种,色相角66.5度(1/3S.D.,HDPE),用于聚烯烃着色,不发生尺寸变形,具有优异的热稳定性与耐光牢度,耐热达300℃,耐光牢度为7-8级。广泛应用于塑料着色,尤其是用于高温下加工的树脂,如PS,ABS,PE等;亦用于粘胶纤维及涂料着色。