Pigment Red 179

Pigment Red 179
Names
	Preferred IUPAC name 2,9-Dimethylanthra[2,1,9-def:6,5,10-d′e′f′]diisoquinoline-1,3,8,10(2H,9H)-tetrone
Identifiers
CAS Number	5521-31-3;
3D model (JSmol)	Interactive image;
ChemSpider	71958;
ECHA InfoCard	100.024.424
EC Number	226-866-1;
PubChem CID	79657;
CompTox Dashboard (EPA)	DTXSID9029273 ;
	InChI InChI=1S/C26H14N2O4/c1-27-23(29)15-7-3-11-13-5-9-17-22-18(26(32)28(2)25(17)31)10-6-14(20(13)22)12-4-8-16(24(27)30)21(15)19(11)12/h3-10H,1-2H3 Key: PJQYNUFEEZFYIS-UHFFFAOYSA-N;
	SMILES CN1C(=O)c2ccc3c4ccc5c6c4c(ccc6C(=O)N(C5=O)C)c7c3c2c(cc7)C1=O;
Properties
Chemical formula	C26H14N2O4
Molar mass	418.40
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Pigment Red 179 is an organic compound used as a pigment. Structurally, it is a derivative of perylene, produced from perylenetetracarboxylic dianhydride through derivatization with methylamine.^[1]^[2]

It is used in watercolor paints, usually labeled as Perylene Maroon.

References

^ K. Hunger. W. Herbst "Pigments, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. doi:10.1002/14356007.a20_371
^ Greene, M. "Perylene Pigments" in High Performance Pigments, 2009, Wiley-VCH, Weinheim. doi:10.1002/9783527626915.ch16 pp. 261-274.

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