Process for purification of crude resorcinol

Details Process for purification of crude resorcinol Process for purification of crude resorcinol

C - Chemistry, Metallurgy

07

C

260/623.5

C07C 39/08 (2006.01) C07C 37/84 (2006.01)

Patent

CA 1111452

Abstract of the Disclosure The invention is a process for purifying crude resorcinol derived from an acid cleavage product of m-diisopropyl benzene dihydroperoxide and containing impurities having higher boiling points than resorcinol. The process involves recrystallizing the crude resorcinol from a mixed solvent consisting of (a) about 0.5 to about 5 times the weight of resorcinol of an aromatic hydrocarbon which contains 6 to 10 carbon atoms and is liquid at 20°C, and (b) about 0.1 to about 0.7 times the weight of resorcinol of at least one compound selected from the group consisting of alkyl phenols having a C1-C4 alkyl group and acyl phenols derived from C2-C4 aliphatic mono- carboxylic acids.

331475

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