Purification of hydroquinone

Details Purification of hydroquinone Purification of hydroquinone

C - Chemistry, Metallurgy

07

C

260/623.5

C07C 39/08 (2006.01) C07C 37/86 (2006.01)

Patent

CA 1060050

ABSTRACT OF THE DISCLOSURE There is disclosed the method of preparing photographic grade hydroquinone from technical grade hydroquinone which consists of treating a a solution of the technical grade hydroquinone in the presence of a palladium catalyst with hydrogen while ?he hydroquinone solution is at a pH between about 3 and about 6.

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