CAS Registry Number

CAS 2870-32-8 — Chrysophenine

Chrysophenine is a synthetic azo dye, primarily used in textile manufacturing for dyeing wool, silk, and leather a bright yellow shade. It is also employed in biological staining and as a pH indicator. This chemical has the CAS number 2870-32-8, with a molecular formula of C30H26N4Na2O8S2 and a molecular weight of 680.7. It carries no signal word, indicating low acute toxicity under standard handling conditions. Molekula supplies Chrysophenine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Airedale Yellow CHD · Aurophenine O · C.I. Direct Yellow 12 · Chrome Leather Yellow CH · Chrysophenine G · Chrysophenine GP · Chrysophenine J · Chrysophenine NS · Chrysophenine Y · DIRECT YELLOW 12