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Pigment Yellow 12

From Wikipedia, the free encyclopedia
Pigment Yellow 12
Names
Other names
Benzidine yellow, Diarylanilide Yellow
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.026.170 Edit this at Wikidata
EC Number
  • 228-787-8
UNII
  • InChI=1S/C32H26Cl2N6O4/c1-19(41)29(31(43)35-23-9-5-3-6-10-23)39-37-27-15-13-21(17-25(27)33)22-14-16-28(26(34)18-22)38-40-30(20(2)42)32(44)36-24-11-7-4-8-12-24/h3-18,29-30H,1-2H3,(H,35,43)(H,36,44)
    Key: GNCOVOVCHIHPHP-UHFFFAOYSA-N
  • CC(=O)C(C(=O)NC1=CC=CC=C1)N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC(C(=O)C)C(=O)NC4=CC=CC=C4)Cl)Cl
Properties
C32H26Cl2N6O4
Molar mass 629.50 g·mol−1
Appearance Yellow solid
Density 1.22
Melting point 320 °C (608 °F; 593 K)
1mg/ml
Hazards
GHS labelling:
H412
P273, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Pigment Yellow 12 is an organic compound and an azo compound. It is a widely used yellow pigment. It is also classified as a diarylide pigment, being derived from 3,3'-dichlorobenzidine. It is closely related to Pigment Yellow 13, wherein the two phenyl groups are replaced by 2,4-xylyl.[1]

References

[edit]
  1. ^ K. Hunger; W. Herbst (2012). "Pigments, Organic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_371. ISBN 978-3-527-30673-2.