Pigment Yellow 16

Pigment Yellow 16 is an organic compound that is classified as a diarylide pigment.

Pigment Yellow 16
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.025.258
EC Number
  • 227-783-3
UNII
Properties
C34H28Cl4N6O4
Molar mass 726.44 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

Pigment Yellow 16 is used as a yellow colorant, and is classified as an arylide yellow. Also called permanent yellow, its color index number is 20040.[1] The compound is obtained via acetoacetylation of o-tolidine using diketene. The resulting bisacetoacetylated compound is coupled with two equiv of the diazonium salt obtained from 2,4-dichloroaniline.[2]

References

  1. "The Color of Art Pigment Database: Pigment Yellow, PY". Art is Creation.
  2. 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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