Dec 28, 2020 · Topical salicylic acid is used to help clear and prevent pimples and skin blemishes in people who have acne. Topical salicylic acid is also used to treat skin conditions that involve scaling or overgrowth of skin cells such as psoriasis (a skin disease in which red, scaly patches form on some areas of the body), ichthyoses (inborn conditions that cause skin dryness and scaling), dandruff ... -In the synthesis of aspirin, you will treat salicylic acid with acetic anhydride-In order to proceed, the reaction requires an acid catalyst - phosphoric acid -In this lab, we will be using 90% of our salicylic acid to synthesize aspirin
PreparationIt is prepared by dissolving phosphorus pentoxide in water and boiling the solution.P2O5 plus 3H2O gives 2H3PO4Laboratory preparation: In the...Jul 04, 2005 · Salicylic acid reacts better with acetic anhydride than acetic acid, so acetic acid will provide the acetyl group which will react with the alcoholic -OH group on the salicylic acid. (The reaction is on the top of the post.) Chemicals needed for the reaction: Salicylic acid, Acetic anhydride, and Concentrated sulfuric acid.
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