50. ETHYL CHLORIDE
Ethyl Chloride Formula: C2H5Cl Preparation Ethyl chloride is prepared by a nucleophilic substitution reaction. Ethanol is boiled with hydrochloric acid to form ethyl chloride, which is then distilled. Reaction:C2H5OH +…
51. LACTIC ACID
LACTIC ACID Formula C3H6O3 or CH3-CH(OH)-COOH Preparation Lactic acid can be prepared by brominating propionic acid and then hydrolyzing the product (2-bromopropionic acid) with dilute alkali. This converts it to…
52. TARTARIC ACID
Tartaric Acid Formula C4H6O6 Preparation Tartaric acid can be prepared from malic acid. In industry, maleic acid (formed by oxidation of cyclohexanone) is treated with alkaline KMnO4 to produce m-tartaric…
53. CITRIC ACID
CITRIC ACID Formula: C6H8O7 Preparation From Molasses: Molasses containing sucrose is diluted with water and then fermented using Aspergillus niger. The microorganism converts the sugar into citric acid. Test for…
54. SALICYLIC ACID
SALICYLIC ACID Salicylic acid is an important pharmaceutical compound widely used in skin-care and dermatology. It works mainly as a keratolytic agent, meaning it helps remove the upper dead layer…
55. ASPIRIN
Aspirin Formula: C9H8O4 Other Names: Acetyl salicylic acid, 2-acetoxy-benzoic acid Preparation Aspirin is prepared by reacting salicylic acid with an excess amount of acetic anhydride. A small quantity of strong…
56. METHYL SALICYLATE
Methyl Salicylate Formula C8H8O3 IUPAC Name Methyl 2-hydroxybenzoate Introduction Methyl salicylate is an ester made from salicylic acid. It has a strong, pleasant smell and is commonly used in pain-relief…