Preparation of 1,2,3,3-tetrachloropropene
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United States of America Patent
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Sep 22, 1998
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N/A
app pub date -
Feb 19, 1997
filing date -
Feb 19, 1997
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Abstract
The dehydrochlorination of 1,1,2,3,3-pentachloropropane to produce 1,2,3,3-tetrachloropropene is conducted using aqueous alkali metal hydroxide in the substantial absence of added ethanol. The 1,2,3,3-tetrachloropropene is recovered from the reaction mixture in the substantial absence of added ether. The preferred methods of recovery are steam distillation and flash distillation.
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