Saturday, April 13, 2013

This is a lab report on the "Synthesis of Organic Aspirin" for first year chemistry.

*Please look at attachment*The Synthesis of essential AspirinAbstract:The purpose of this experiment was to find out how a reply undergoes for a globally known painkiller called aspirin, and to become long-familiar with achieving successful yields. Aspirin is synthesized from salicylic blistering and acetic anhydride. Those two chemicals ar mixed to puzzleher along with sulfuric acid to get to a crude solid. Filtration is used separate the impurities from the crude aspirin. To get purified aspirin, the precipitate was heated until all the excess had been removed. The end crossroad is pure dry aspirin. Though there was too more room for error the yield percentage will close to never be a hundred percent.

Introduction:In 1897 Felix Hoffman synthesized acetylsalicylic acid when he was treating is father with today?s so called aspirin due to his suffering of arthritis. It was known that aspirin had just about side effects that were caused by the level of acid in the aspirin itself, which made the stomach irate when ingested. Hoffman reduced the acid by mixing the aspirin with sodium salicylate, a get out found in the willow tree bark [1], which surface the way to today?s most popular and garish drug [2].

Aspirin is the common name given to acetylsalicylic acid, sometimes abbreviated as ASA.

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ASA is considered to be an organic acid since it is serene of Carbon, Hydrogen, and Oxygen which also contains the carboxyl functional group?COOH. comminuted ASA can be synthesized by treating salicylic acid with acetic anhydride in the presence of a trace of either sulfuric (in our case) or phosphoric acids. The complete reaction of ASA is shown in framing 1.1 on page 2. Figure 1 shows the reaction for the synthesis of aspirin.

Figure 1: Salicylic Acid + Acetic Anhydride Acetylsalicylic acid + Acetic AcidExperimental: at that place were plenty of chemicals that were used in...

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