Vat dyes are pigments that undergo reduction in alkaline conditions to dye fibers and are then oxidized to revert to their original insoluble form.
benzo[rst]phenanthro[10,1,2-cde]pentaphene-9,18-dione
ACTOVD097
128-64-3
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3H,3'H-[2,2'-bibenzo[b]thiophenylidene]-3,3'-dione
ACHAFY083
522-75-8
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6,15-dihydrodinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18-tetraone
ACKTRC845
81-77-6
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