Thioindigoid Red

An organic color pigment used in printing inks. Thioindigoid Red (classified as a red, but is actually a violet shade) is a red violet possessing high lightfastness, heat resistance, and chemical resistance to most substances. It is a high-quality pigment commonly used in security inks. (See Organic Color Pigments.)

('CI Pigment Violet 88 No. 73312'.)

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