I want chlorinated an aliphatic alcohol and I would love if you help me in the treatment step.

13 June 2017 1 5K Report

How did solvent evaporate without returning to the alcohol?

Chlorination of an aliphatic alcohol can be done by several methods but the easiest way is to use thionyl chloride which reacts according to the equation:

R-OH + SOCl2 → R-Cl + SO2(g) + HCl(g)

You do not need a solvent for the reaction. You just mix the alcohol liquid with thionyl chloride "which is a liquid" in a round-bottomed flask & apply reflux . In reflux, the condenser will be vertical & attached to the flask. Add few boiling chips & reflux for 15-20 minutes. The reaction will occur & the side gaseous products will escape from the mouth of the condenser. The alkyl chloride is formed in the flask & you just need to remove the boiling chips from it.

Note that this chlorination reaction is done in the fume cupboard.

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