Molecular formula:C6H8O7 .H2O Character:Colorless or white crystalline particles or powder. Odorless and extremely sour. Executive Standard:GB1886.235-2016 The main purpose:It is mainly used in the food and beverage industry as a sour agent, flavoring agent, preservative and preservative. It is also used as an antioxidant, plasticizer and detergent in the chemical industry, cosmetic industry and washing industry. Store:Store in a dry, ventilated, non-polluting environment, avoid direct sunlight, and not easy to stack in the open. It should be used as soon as possible after opening, otherwise it will be prone to biochemical agglomeration.