中文名称:颜料黄 191
  • C.I.颜料黄191; PV坚牢黄HGR; 颜料艳黄 HGR; 永固黄 HGR
  • Pigment Yellow 191
  • -; C.I. Pigment Yellow 191; Pigment Brilliant Yellow HGR; c.i. 18795; 4-Chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methylbenzenesulfonic acid calcium salt (1:1); PYRAZOLONE YELLOW HGR; Benzenesulfonic acid, 4-chloro-2-4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-ylazo-5-methyl-, calcium salt (1:1); Pigment -- Pigment Yellow 191; 4-Chloro-2-[5-hydroxy-3-methyl-1-(3-sulfophe- nyl)pyrazol-4-ylazo]-5-methylbenzene sulfonic acid, calcium salt
  • 129423-54-7
  • 403-530-4
  • C17H13CaClN4O7S2
  • 524.97
  • 颜料黄 191 129423-54-7

  • 色相或色光:红光黄色
    衍射曲线:
    反射曲线:

  • 该品种的色光与C.I.颜料黄83相似,色力较低,但耐热性优异,在高密度聚乙烯中(HDPE,1/3标准深度)耐热为300℃,不产生尺寸变形,具有良好耐光牢度(7-8级);在塑性PVC中耐迁移性能优良;在聚碳酸酯中耐温达330℃,并耐有机溶剂。其在美国主要用于交通涂料着色。