Pigment Red 190 (C.I. 71140), also called Vat Red 29, is a synthetic organic compound that is used both as a pigment and as a vat dye. Although structurally a derivative of perylene, it is produced from acenaphthene.[1]
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Preferred IUPAC name
2,9-Bis(4-methoxyphenyl)anthra[2,1,9-def:6,5,10-d′e′f′]diisoquinoline-1,3,8,10(2H,9H)-tetrone | |
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ECHA InfoCard | 100.026.534 |
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CompTox Dashboard (EPA)
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Properties | |
C38H22N2O6 | |
Molar mass | 602.59 g/mol |
Appearance | Dark red solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is usually applied for cotton fabric, jig dyeing, PVA and silk dyeing, still may processed into organic pigment.
References
edit- ^ K. Hunger. W. Herbst "Pigments, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. doi:10.1002/14356007.a20_371