Tetraphenylphosphonium Phenoxide
Quaternary phosphonium salt, structurally similar to quaternary ammonium salt, with a phosphorus atom radius larger than that of nitrogen, resulting in stronger polarization than quaternary ammonium salts. Main applications: Phosphorus ylide precursor for Wittig reactions in the synthesis of fine chemicals, pharmaceuticals, and liquid crystal monomers; curing accelerator for polymer polymerization; phase transfer catalyst in organic synthetic chemistry.

CAS# 15464-47-8

Molecular Formula C30H25OP

Molecular Weight 432.49

Physical Properties 60% content, off-white solid.

Soluble in dichloromethane, slightly soluble in water and alcohol.
Applications
This product is mainly used as a catalyst for esterification reactions and transesterification reactions.

Packaging and Storage
25kg/cardboard drum. Store in a light-protected, cool, dry, and well-ventilated area.