Pigment yellow 83

Pigment Yellow 83 is an organic compound that is classified as a diarylide pigment. It is used as a yellow colorant.

Pigment yellow 83
Names
Other names
Enceprint Yellow 1780, Homapol Yellow PO-227
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.024.491
EC Number
  • 226-939-8
UNII
Properties
C36H32Cl4N6O8
Molar mass 818.49 g·mol−1
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 2,5-dimethoxy-4-chloroaniline 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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