Aspirin - Amy Linkous 9/28/09 CHEM 2556: CRN: 91653...

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Amy Linkous 9/28/09 CHEM 2556: CRN: 91653 Synthesis of Aspirin Using Microwave Energy Objective: To use microwave radiation (as opposed to conventional reflux heating) to drive the synthesis of aspirin from salicylic acid. General Reaction: Procedure: 11.7 g salicylic acid was weighed into a provided microwave vessel along with a magnetic stir bar and 10 mL of acetic anhydride. The mixture was stirred with a glass stir rod until it formed a white slurry, upon which 3 drops of concentrated sulfuric acid were added and the vessel was capped and immediately placed in the microwave apparatus. After 20 minutes of
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was transferred into a beaker using a glass stir rod and 50 mL cold water. The solid was filtered by suction using a Büchner funnel, and it was washed five times with 10 mL of water each time. The product was then recrystallized in isopropanol, dried and weighed. Data:
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This note was uploaded on 02/22/2010 for the course CHEM 2556 at Virginia Tech.

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Aspirin - Amy Linkous 9/28/09 CHEM 2556: CRN: 91653...

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