The chemical equation for the synthesis of aspirin is C7H6O3 + C4H6O3 –> C9H8O4 +C2H4O2, which is a reaction of salicylic acid with acetic anhydride in the presence of phosphoric acid. The byproduct is acetic acid.Know More
Adding cold water stops the reaction, and the products are filtered, yielding aspirin. Once aspirin is synthesized, it needs to be purified, and an estimation of its purity should be performed.
Aspirin, or acetylsalicylic acid, is one of the oldest and most common medications worldwide. It is used to treat pain, reduce fever, and to decrease the aggregation of platelets, such as to decrease blood clotting.Learn more about Medications & Vitamins
The Liebermann-Burchard test involves observing the reaction of cholesterol dissolved in chloroform with acetic anhydride and two drops of concentrated sulphuric acid. According to Wieland and Weil, the reaction results in the formation of a green-blue colored product, a sulphonic acid derivative of cholesterilene, which indicates the presence of cholesterol.Full Answer >
According to WebMD, topical salicylic acid is not safe for use during pregnancy. However, Drugs.com says that the safety of topical salicylic acid use during pregnancy and breastfeeding is actually unknown.Full Answer >
Individuals cannot purcahse Excedrin Migraine in Canada because it is illegal to sell or import an analgesic drug that contains a mixture of acetaminophen and salicylic acid or derivatives of it, according to the Canadian Justice Laws Website. Excedrin Migraine contains acetaminophen and Aspirin, which is an acetylsalicylic acid.Full Answer >
Over-the-counter treatments for molluscum contagiosum include patches featuring salicylic acid and over-the-counter wart-freezing therapies, WebMD states. Multiple repeat treatments are often necessary regardless of the treatment method chosen. In many cases molluscum contagiosum resolves without treatment.Full Answer >