Pigment Red 178

Pigment Red 178
Names
	IUPAC name 7,18-bis(4-phenyldiazenylphenyl)-7,18-diazaheptacyclo[14.6.2.22,5.03,12.04,9.013,23.020,24]hexacosa-1(23),2,4,9,11,13,15,20(24),21,25-decaene-6,8,17,19-tetrone
Identifiers
CAS Number	3049-71-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	21159767;
ECHA InfoCard	100.019.332
EC Number	221-264-5;
PubChem CID	62476;
UNII	5RL942J1M2 ;
CompTox Dashboard (EPA)	DTXSID1051983 ;
	InChI InChI=1S/C48H26N6O4/c55-45-37-23-19-33-35-21-25-39-44-40(48(58)54(47(39)57)32-17-13-30(14-18-32)52-50-28-9-5-2-6-10-28)26-22-36(42(35)44)34-20-24-38(43(37)41(33)34)46(56)53(45)31-15-11-29(12-16-31)51-49-27-7-3-1-4-8-27/h1-26H Key: PXUJYZVHENREBB-UHFFFAOYSA-N;
	SMILES C1=CC=C(C=C1)N=NC2=CC=C(C=C2)N3C(=O)C4=C5C(=CC=C6C5=C(C=C4)C7=C8C6=CC=C9C8=C(C=C7)C(=O)N(C9=O)C1=CC=C(C=C1)N=NC1=CC=CC=C1)C3=O;
Properties
Chemical formula	C48H26N6O4
Molar mass	750.76
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Pigment Red 178 is an organic compound that is used as a pigment. Structurally, it is a derivative of perylene, although it is produced from perylenetetracarboxylic dianhydride by derivatization with 4-aminoazobenzene.^[1]^[2]

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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