Name: Methyltriphenylphosphonium bromide
English Name: Methyltriphenylphosphonium bromide
Molecular Formula: C₁₉H₁₈BrP
Molecular Weight: 357.22
CAS No: 1779-49-3
Structural Formula: 

1. Product Description
Off-white solid. Melting point: 230～234 ℃.
Soluble in alcohols and chloroform, slightly soluble in water.

2. Applications
It is a phase transfer catalyst in organic synthesis, suitable for the preparation of meta-aromatic fluorides.
It serves as a phosphonium ylide precursor for Wittig reactions in the synthesis of fine chemicals, pharmaceuticals and liquid crystal monomers.

3. Packaging
25kg per fiber drum; 25kg per waterproof kraft bag.

4. Specification
Purity: 99%

5. Precautions
Store in a dark, cool, dry and well-ventilated place.