Jiang Yu-ren
2007
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Journal
Technology & Development of Chemical Industry
Abstract
1,3-dichloroacetone had been prepared by the oxidation of 1,3-dichloro-2-propanol.A technical process which was fit for the laboratory had been found.It also could be used in the industry.The solution of sulfuric acid was added dropwise to the reaction vessel contained 1,3-dichloro-2-propanol,sodium dichromate and water.The mixture was stirred at 23~27℃ for 5 hours.The molar ratio of sodium dichromate to 1,3-dichloro-2-propanol was 1:2.Under the above conditions,pure 1,3-dichloroacetone was obtained with a yield of 79.6%.Compared with other technology,the yield was improved by about 10%,and the reactive time was reduced by about four fifth.