Method of purification of .beta.-phenylethyl alcohol

Details Method of purification of .beta.-phenylethyl alcohol Method of purification of .beta.-phenylethyl alcohol

1980-10-07

1982-11-16

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 56, 203 64, 203 84, 203 85, 203 96, 568810, B01D 336, B01D 340, C07C 2980

Patent

active

043593658

ABSTRACT:
A method of purification of crude .beta.-phenylethyl alcohol to give a highly pure .beta.-phenylethyl alcohol suitable as a perfume, which comprises subjecting the crude .beta.-phenylethyl alcohol to azeotropic distillation in the presence of an azeotropic solvent selected from water, an alkylene glycol, an alkylene glycol monoalkyl ether and a mixture of two or more kinds of these solvents, or extractive distillation in the presence of an extractive solvent selected from glycerine, an alkylene glycol, a polyalkylene glycol, an alkylene glycol monoalkyl ether, a polyalkylene glycol monoalkyl ether and a mixture of two or more kinds of these solvents.

REFERENCES:
patent: 1698932 (1929-01-01), Britton
patent: 1752365 (1930-04-01), Britton
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patent: 2068415 (1937-01-01), Klipstein
patent: 2114286 (1938-04-01), Britton
patent: 2185141 (1939-12-01), Britton et al.
patent: 2552412 (1951-05-01), Drout et al.
patent: 2848503 (1958-08-01), Fenske
patent: 3579593 (1971-05-01), Wood

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