Pigment Yellow 10

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Pigment Yellow 10
Names
Other names
Benzidine Yellow 10G, Sanyo Pigment Yellow 8105
Identifiers
3D model (JSmol)
ECHA InfoCard 100.026.401 Edit this at Wikidata
UNII
  • InChI=1S/C16H12Cl2N4O/c1-10-15(20-19-14-9-11(17)7-8-13(14)18)16(23)22(21-10)12-5-3-2-4-6-12/h2-9,15H,1H3
    Key: SYIDJAUAPDQFRN-UHFFFAOYSA-N
  • Clc1ccc(Cl)cc1N=Nc2c(C)nn(c2O)-c3ccccc3
Properties
C16H12Cl2N4O
Molar mass 347.20 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).

Pigment Yellow 10 is an organic compound that is classified as a monoazopyrazolone pigment. It is used as a yellow colorant, notably as yellow road marking on highways in the US.

Pigment Yellow 10 is commonly used for yellow road markings

The compound is synthesized by coupling the diazonium salt derived from dichloroaniline with the pyrazolone.[1] The structure of the dye, as determined by X-ray crystallography, consists of planar molecule with a C=O bond and two hydrazone groups.[2]

References

  1. ^ K. Hunger; W. Herbst (2012). "Pigments, Organic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_371. ISBN 978-3527306732.
  2. ^ A. Whitaker (1988). "CI Pigment Yellow 10, 4-[2',5'-(dichlorophenyl)hydrazono]-5-methyl-2-phenyl-3H-pyrazol-3-one". Acta Crystallographica C. C44 (10): 1767–70. Bibcode:1988AcCrC..44.1767W. doi:10.1107/S0108270188006791.


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