Production of low color refined isophorone

Details Production of low color refined isophorone Production of low color refined isophorone

C - Chemistry, Metallurgy

07

C

260/588.5

C07C 49/603 (2006.01) C07C 45/78 (2006.01) C07C 45/79 (2006.01) C07C 45/82 (2006.01)

Patent

CA 1197261

- 16 - LOW COLOR ISOPHORONE Abstract of the Disclosure Crude isophorone is refined by contacting it with aqueous caustic followed by washing and fractional distillation. This procedure provides an efficient method of treating crude isophorone to produce low-colored, refined product without a neutralization step or corrosion of the processing equipment. The pre- ferred caustic employed in this procedure is sodium hy- droxide.

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