Process for the purification of benzoic acid

Details Process for the purification of benzoic acid Process for the purification of benzoic acid

1977-07-29

1978-05-30

Siegel, A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5142

Patent

active

040923533

ABSTRACT:
A process for purifying benzoic acid, especially benzoic acid obtained by the catalytic oxidation of toluene in the liquid phase which can be contaminated with impurities such as diphenyl, methyldiphenyl, a phenyl-benzoic acid, benzaldehyde, benzyl benzoate, succinic anhydride, phthalic anhydride, formic acid or formaldehyde, by contacting the benzoic acid with an amine of the formula

REFERENCES:
patent: 1822016 (1931-09-01), Daniels
patent: 3235588 (1966-02-01), Weaver

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