CAS Registry Number

CAS 1449-46-3 — Benzyltriphenylphosphonium bromide

Benzyltriphenylphosphonium bromide is an organophosphorus compound widely used as a phase-transfer catalyst in organic synthesis, enabling efficient reactions between organic and inorganic substrates. This white to off-white crystalline solid facilitates alkylation, hydrolysis, and other transformations under mild conditions, improving yield and selectivity. CAS 1449-46-3, molecular formula C6H5CH2P(Br)(C6H5)3, molecular weight 433.32 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies Benzyltriphenylphosphonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.