Methoxybenzoic acid, also known as p-anisic acid, 4-anisic acid, anisic acid, is a colorless needle crystal at room temperature, soluble in ethanol, ether, chloroform, slightly soluble in hot water, but hardly soluble in cold water.The preparation of para – methoxybenzoyl chloride as intermediate of ethyl amiodarfurone by thionyl chloride;Used as an intermediate in solaxitan medicine, also used in spices and preservatives.