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CAS 6228-47-3 — Propyltriphenylphosphonium bromide

Propyltriphenylphosphonium bromide is a quaternary phosphonium salt widely used as a phase-transfer catalyst in organic synthesis, enabling efficient reactions between hydrophilic and hydrophobic reagents. This high-purity chemical features a CAS number of 6228-47-3, molecular formula C21H22BrP, and a molecular weight of 305.3726 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Propyltriphenylphosphonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.