Número de registro CAS

CAS 33239-19-9 — Erythrosin yellowish

Erythrosin yellowish is a synthetic, halogenated xanthene dye used primarily as a food coloring (E127) and in biological staining. It appears as a red-orange powder soluble in water, ethanol, and glycerol. This dye is also employed in microscopy for staining biological specimens and in some pharmaceutical applications. Catalogue details: CAS 33239-19-9, molecular formula C20H8I2Na2O5, molecular weight 628.063 g/mol. Stable at ambient temperatures with no signal word classification. Molekula supplies Erythrosin yellowish from research to bulk quantities with full documentation and ISO 9001:2015 traceability.