... used as antioxidant, plasticizer, detergent and builder. Citric acid MonohydrateIntroduction.: Citric acid, at room temperature, is a white crystalline powder ... water, ethanol, ethyl ether, insoluble in benzene, slightly soluble in chloroform. Citric acid is a strong organic acids, there ... purity process piping (in lieu of using nitric acid). Nitric acid is considered hazardous to dispose once used for ...