9743. Triphenylphosphine

Nomenclature

CAS number: 603-35-0
C18H15P; mol wt 262.29.
C 82.43%, H 5.76%, P 11.81%.

Description and references

Prepd from phenylmagnesium bromide and phosphorus trichloride: Pfeiffer, Pietsch, Ber. 37, 4621 (1904); Sauvage, Compt. Rend. 139, 675 (1904); Dodonon, Medox, Ber. 61, 910 (1928); Denney et al., J. Am. Chem. Soc. 83, 1729 (1961). Physical constants: Forward et al., J. Chem. Soc. 1949, 5121.

Chemical structure

Properties

Odorless monoclinic platelets or prisms from ether, mp 80.5°. bp >360° (in inert gas). d425 1.194; d480(liq) 1.075. Is triboluminescent. Freely sol in ether; sol in benzene, chloroform, glacial acetic acid; less sol in alcohol. Practically insol in water.

Use

In organic synthesis; polymerization initiator.