Pigment Yellow 181


Pigment Yellow 181

  • C.I. NO. : 11777
  • CAS NO. : 74441-05-7
  • EU NO. : 277-873-1
  • Molecular Formula : C25H21N7O5
  • Chemical Group : Benzimidazolone

Pigment Yellow 181 affords reddish yellow shade, exhibits excellent light fastness up to almost 8 grade in all kinds of plastics. PY181 also shows outstanding heat resistance, even under a light coloring situation. It mainly used for plastics, especially in PE and extend use for paints.

Physical Data and Fastness Properties
  • Density(g/cm3) :1.48
  • Surface area (m2/g) :27
  • Acid Resistance :5
  • Alkali Resistance :5
  • Migration Resistance :5
  • Heat Resistance (℃) :260-300
  • Light Fastness (8=excellent) :8

1. Plastics: used for PE, PVC and high temperature plastics include PS, ABS, PC etc. It do not migrate in plasticized PVC, affords good light and weather fastness, can be used for spin dyeing and automobile interiors that the purpose to only few organic yellow pigments are suited.

2. Coatings: can be used for coatings, but would directly competitive with other large number of similarly shade pigments, especially that its color strength is weak.

Available Commercial Specific Grades:

Pigment Yellow 181 H3R

For more, contact us with your specific applications, we shall offer the best solution for you.


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