CAS Registry Number

CAS 2065-66-9 — Methyltriphenylphosphonium iodide, 97%

Methyltriphenylphosphonium iodide (97%) is an organophosphorus compound widely used as a key reagent in Wittig reactions for synthesizing alkenes from aldehydes and ketones. It is also employed in organic synthesis for methylenation and as a phase-transfer catalyst. This high-purity salt features a CAS number of 2065-66-9, a molecular formula of C19H20IP, and a molecular weight of 406.24 g/mol. It is stable at ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word. Molekula supplies Methyltriphenylphosphonium iodide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.