Dibromoanthanthrone is a scarlet or orange-red-hue synthetic organic colourant.

Dibromoanthanthrone
Names
Preferred IUPAC name
4,10-Dibromonaphtho[7,8,1,2,3-nopqr]tetraphene-6,12-dione
Other names
4,10-Dibromoanthanthrone
Vat Dye 3
Pigment Red 168
C.I. 59300
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.022.257 Edit this at Wikidata
EC Number
  • 224-481-3
UNII
  • InChI=1S/C22H8Br2O2/c23-15-7-14-19-17-9(15)3-1-5-11(17)21(25)13-8-16(24)10-4-2-6-12(22(14)26)18(10)20(13)19/h1-8H
    Key: HTENFZMEHKCNMD-UHFFFAOYSA-N
  • c1cc2c(cc3c-4c2c(c1)c(=O)c5c4c6c(cccc6c3=O)c(c5)Br)Br
Properties
C22H8Br2O2
Molar mass 464.112 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

It is an anthraquinone derivative, first synthesized in 1913 as a vat dye, C.I. Vat Orange 3 (C.I. 59300), and later on also as a pigment, C.I. Pigment Red 168.[1]

References

edit
  1. ^ Hunger, K.; Herbst, W. (2012). "Pigments, Organic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_371. ISBN 978-3527306732.