CAS Registry Number

CAS 493-52-7 — Methyl Red (C.I. 13020)

Methyl Red (C.I. 13020) is a synthetic pH indicator dye widely used in laboratories for titrations, microbiology, and analytical chemistry due to its distinct color change in acidic and alkaline conditions. It transitions from red to yellow between pH 4.4 and 6.2, making it ideal for precise pH detection. This chemical has a CAS number of 493-52-7, a molecular formula of C15H15N3O2, and a molecular weight of 269.30 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Methyl Red from research to bulk quantities with full documentation and ISO 9001:2015 traceability.