Numéro CAS

CAS 1934-21-0 — Tartrazine (C.I. 19140)

Tartrazine (C.I. 19140) is a synthetic yellow azo dye used as a food coloring agent in beverages, confectionery, and pharmaceuticals. It is a sodium salt with the molecular formula C16H9N4Na3O9S2 and a molecular weight of 534.36 g/mol. Stable at ambient temperatures, it is classified as dangerous due to potential allergenic effects. Molekula supplies Tartrazine (C.I. 19140) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.