Pigment red 190

Pigment red 190

Identifiers
CAS Registry Number	6424-77-7
Properties
Chemical formula	C38H22N2O6
Molar mass	602.59 g/mol
Appearance	Dark red solid
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Vat Red 190 is an organic compound that is used as a vat dye. Although structurally a derivative of perylene, it is produced from acenaphthene.^[1]

It is usually applied for cotton fabric, jig dyeing, PVA and silk dyeing, still may processed into organic pigment.

References

Dyeing Techniques Batik Dyeing Ikat Kalamkari Katazome Leheria Mordant Reactive dye printing Resist Ring dyeing Rōketsuzome Shibori Tie-dye Tsutsugaki Types of dyes Dyes Natural Acid Reactive Solvent Substantive Sulfur Vat Disperse Traditional textile dyes Armenian cochineal Black walnut Bloodroot Brazilin Cochineal Cudbear Cutch Dyewoods Fustic Gamboge Henna Indigo Kermes Logwood Madder Polish cochineal Saffron Turmeric Tyrian purple Weld Woad History Trade and use of saffron Traditional dyes of the Scottish Highlands Craft dyes Dylon Inkodye Procion Rit Jacquard Products Reference Glossary of dyeing terms List of dyes