Pigment Yellow 81

Pigment Yellow 81 is an organic compound that is classified as a diarylide pigment. It is used as a yellow colorant.

Pigment Yellow 81
Names
Other names
Benzidine Yellow 10G, Sanyo Pigment Yellow 8105
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.040.691
EC Number
  • 244-776-0
UNII
Properties
C36H32Cl4N6O4
Molar mass 754.49
Appearance yellow solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The compound is synthesized from three components. Treatment of 2,4-dimethylaniline with diketene gives an acetoacetylated aniline. This compound is then coupled to the bisdiazonium salt obtained from 3,3'-dichlorobenzidine.[1]

References

  1. K. Hunger. W. Herbst "Pigments, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. doi:10.1002/14356007.a20_371
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