Pigment Yellow 13

Pigment Yellow 13 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 12, wherein the two xylyl groups are replaced by phenyl.[1]

Pigment Yellow 13

Identifiers
CAS Number	5102-83-0
3D model (JSmol)	Interactive image
ChemSpider	66158
ECHA InfoCard	100.023.475
EC Number	225-822-9
PubChem CID	73462
UNII	O8RYS681QI
CompTox Dashboard (EPA)	DTXSID0029268
InChI InChI=1S/C36H34Cl2N6O4/c1-19-7-11-29(21(3)15-19)39-35(47)33(23(5)45)43-41-31-13-9-25(17-27(31)37)26-10-14-32(28(38)18-26)42-44-34(24(6)46)36(48)40-30-12-8-20(2)16-22(30)4/h7-18,33-34H,1-6H3,(H,39,47)(H,40,48) Key: IAFBRPFISOTXSO-UHFFFAOYSA-N
SMILES CC1=CC(=C(C=C1)NC(=O)C(C(=O)C)N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC(C(=O)C)C(=O)NC4=C(C=C(C=C4)C)C)Cl)Cl)C
Properties
Chemical formula	C36H34Cl2N6O4
Molar mass	685.61 g·mol^−1
Appearance	yellow solid
Hazards
GHS hazard statements	H413
GHS precautionary statements	P273, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References

1. K. Hunger. W. Herbst (2012). "Pigments, Organic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_371.CS1 maint: uses authors parameter (link)