Preparation of high purity 1,4-butanediol

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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C07C 2978

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042949980

ABSTRACT:
A process for the purification of crude 1,4-butanediol by crystallizing said crude in a solution comprising tetrahydrofuran at a temperature of from 10.degree. to -10.degree. C. and a pressure of from 16-26 mm of mercury to form a slurry of crystallized 1,4-butanediol in a liquid, and then separating the crystallized 1,4-butanediol from the liquid.

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patent: 4081257 (1978-03-01), Lassmann et al.
Kirk-Othmer "Encyclopedia of Chemical Technology" Interscience, Publ. 2nd Ed., vol. 10, pp. 249; 668 (1967).
Weissberger, Arnold, Ed. "Techniques of Organic Chemistry" vol. III, Part I, "Separation and Purification", Interscience, Publ. (1956) pp. 396-397, 528-529, 542-543, 548-549 & 555-558.
CRC Handbook of Chemistry and Physics, 60th Edition (1979-1980) pp. C-220 and C-312.

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