Synthesis of Acetylsalicylic Acid

Synthesis of Acetylsalicylic Acid - Michael Chelala TA...

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Michael Chelala TA: Jaylene Ollivierre Date of Experiment: 10/29/2007 Submission Date: 11/05/2007 Synthesis of Acetylsalicylic Acid
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Objective: The objective of this experiment is to make aspirin. Reaction Equations: Procedure: Step 1: Place 1.0g of salicylic acid in two test tubes. Step 2: Add 2.0mL of acetic anhydride in each tube.
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Step 3: Add 0.2g of sodium acetate to one tube. Step 4: Briefly stir the mixture with a glass rod and quickly replace it with a thermometer. Step 5: Record the time required for a 4 C rise in temperature. Step 6: Clean the thermometer with acetone and allow it to dry. Step 7: Place the thermometer in the second test tube and add 5 drops of concentrated sulfuric acid. Step 8: Again record the time required for a 4 C rise in temperature. Step 9: Place both tubes in a beaker of water and heat on a hot plate until the solids in the tubes dissolve. Step 10: Pour the contents of both tubes into a single 100mL beaker containing 50mL water, then mix thoroughly. Step 11: Cool the mixture to 4 C and collect the resulting crystals.
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Synthesis of Acetylsalicylic Acid - Michael Chelala TA...

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