CAS Registry Number

CAS 531-55-5 — Azure B, certified (C.I. 52010) (Azure l)

Azure B (C.I. 52010) is a synthetic triarylmethane dye used primarily in biological staining, microscopy, and as a pH indicator. It imparts a blue color to tissues and solutions, aiding in cellular visualization. This certified grade chemical has a CAS number of 531-55-5, molecular formula C15H16ClN3S, and a molecular weight of 305.83. It is stored at ambient conditions, with a signal word of Warning indicating moderate hazard. Molekula supplies Azure B from research to bulk quantities with full documentation and ISO 9001:2015 traceability.