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The structure of Quaternary phosphorus salt is similar to that of quaternary ammonium salt. The radius of phosphorus atom is larger than that of nitrogen atom, and the polarization effect is stronger than that of quaternary ammonium salt. Main uses: phosphine ylide precursor of Wittig reaction in fine chemicals, medicine and liquid crystal monomer synthesis, curing accelerator of polymer polymerization, phase transfer catalyst in organic synthetic chemistry.
CAS# | 1779-51-7 |
Structure |
|
Molecular formula | C22H24PBr |
Molecular weight | 399.30 |
Physical properties | Content: 99%, off white solid, melting point: 238 ~ 242 ℃. Soluble in alcohol and chloroform, slightly soluble in water. |
Uses | ●Phase transfer catalyst in organic synthesis chemistry. ●Phosphine ylide precursor for Wittig reaction in the synthesis of fine chemicals, medicine and liquid crystal monomers. |
Storage | 25kg cardboard barrel. Store in a dark, cool, dry and ventilated place. |
Manufacturing
