CAS Registry Number

CAS 20325-40-0 — 3,3'-Dimethoxybenzidine hydrochloride hydrate (o-Dianisidine dihydrochloride)

3,3'-Dimethoxybenzidine hydrochloride hydrate, also known as o-Dianisidine dihydrochloride, is a chemical intermediate primarily used in dye manufacturing, particularly for azo dyes, and in analytical chemistry for colorimetric assays. It is a crystalline solid with applications in staining and research due to its chromogenic properties. This product has a CAS number of 20325-40-0, a molecular formula of C14H16N2O2 · 2HCl, and a molecular weight of 317.21 g/mol. It is stored at ambient conditions but requires careful handling, as it carries a **Danger** signal word due to its hazardous nature. Molekula supplies 3,3'-Dimethoxybenzidine hydrochloride hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.