Synthesis of Asprin
"SYNTHESIS of ASPIRIN"
PURPOSE:
In this experiment is to obtain aspirin. Aspirin is prepared by acetylated salicylic acid I a process called esterification. Esterification is the reaction of the carboxyl (-COOH) group, and the -OH group to form a carboxyl ate ester group. In this case the source of the -OH group is the phenolic -OH attached to the ring of the salicylic acid. The acetyl group comes from acetic acid anhydride, and the reaction …
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…The lower the melting point, the less pure/ more impurities present causing a faster melting point. The melting range in this experiment was 115-122 0C that is quit lower than the literature value. This is an indication that though the sample was somewhat pure, impurities remained in the sample causing the melting point of the sample to be lower than expected. Over all the experiment was successful because about 42.16% of acetylsalicylic acid -Aspirin- was obtained.
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