Numéro CAS

CAS 81-54-9 — Purpurine (C.I. 58205)

Purpurin (C.I. 58205) is a natural anthraquinone dye used in pigments, dyes, and as a pH indicator in analytical chemistry. It appears as a red crystalline powder with a molecular formula of C14H8O5 and a molecular weight of 256.21 g/mol. CAS number: 81-54-9. Store at ambient temperature. Signal word: Warning. Molekula supplies Purpurin (C.I. 58205) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.