CAS Registry Number

CAS 522-75-8 — Vat Red 41

Vat Red 41 is a synthetic organic pigment belonging to the anthraquinone class, widely used in textile dyeing—particularly for cotton, wool, and polyester—due to its excellent lightfastness and heat resistance. It produces vibrant red hues in applications like garments, upholstery, and industrial coatings. This chemical has a CAS number of 522-75-8, a molecular formula of (C8H4SO)2, and a molecular weight of 296.36352. It is stored at ambient conditions, carries a signal word of Warning for safety, and is supplied in powder form. Molekula supplies Vat Red 41 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.