Pigment Orange 13 is an organic compound and an azo compound. It is a commercial orange pigment. It is also classified as a diarylide pigment, being derived from 3,3'-dichlorobenzidine. It is closely related to Pigment Orange 3, wherein the two phenyl groups are replaced by p-tolyl groups.[1]

Pigment Orange 13
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.020.483 Edit this at Wikidata
EC Number
  • 222-530-3
UNII
  • InChI=1S/C32H24Cl2N8O2/c1-19-29(31(43)41(39-19)23-9-5-3-6-10-23)37-35-27-15-13-21(17-25(27)33)22-14-16-28(26(34)18-22)36-38-30-20(2)40-42(32(30)44)24-11-7-4-8-12-24/h3-18,43-44H,1-2H3
    Key: LVOJOIBIVGEQBP-UHFFFAOYSA-N
  • CC1=NN(C(=C1N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC4=C(N(N=C4C)C5=CC=CC=C5)O)Cl)Cl)O)C6=CC=CC=C6
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References

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  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.