Process for the production of a peroxy compound

Details Process for the production of a peroxy compound Process for the production of a peroxy compound

C - Chemistry, Metallurgy

07

C

260/506.1

C07C 409/24 (2006.01) A01N 37/16 (2006.01) C07C 409/30 (2006.01) C11D 3/39 (2006.01)

Patent

CA 1184929

ABSTRACT PROCESS FOR THE PRODUCTION OF A PEROXY COMPOUND In the present invention, hydrated magnesium salts of the carboxylate group in certain aromatic or olefinically unsaturated peroxyacids such as monperoxyphthalic acid or monoperoxymaleic acid are made by reacting the corresponding anhydride with aqueous hydrogen peroxide and a magnesium base, in the absence of a significant amount of free iron. By so doing, the process avoids the use of non-aqueous solvvents such as ethyl acetate. Solid product can be obtained by using no more than enough hydrogen peroxide and water for solely a damp product to be obtained or by crystallisation from an aqueous solution, preferably with recycle of the mother liquor. Preferably the reaction temperature is maintained at 5 to 25°C, employing 1.8 to 2.2 moles anhydride per mole of magnesium base, and 0.95 to 1.2 moles of hydrogen peroxide per mole of anhydride. The product can be used as a bleach and as a disinfectant.

404224

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