acetyl chloride

noun

Definition of acetyl chloride 

: a colorless pungent fuming liquid CH3COCl made by chlorination of acetic acid or its derivatives (as by distilling a mixture of acetic acid and phosphorus trichloride) and used chiefly in preparing acetyl derivatives

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First Known Use of acetyl chloride

1863, in the meaning defined above

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The first known use of acetyl chloride was in 1863

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