Citric acid, CAS: 77-92-9, is an important organic acid that is an acidity regulator and food additive. White crystalline powder in appearance.
It can exist in the form of anhydrous substances or monohydrates: when citric acid crystallizes from hot water, it forms anhydrous substances; Cold water crystallization generates monohydrate. Widely used in industries such as food, medicine, and industry.
Among all organic acid markets, citric acid has a market share of over 70%, and there is currently no acidic seasoning agent that can replace citric acid.
Food applications:
It is widely used to manufacture various drinks, soda water, wine, candy, Dim sum, biscuits, canned fruit juice, dairy products and other foods.
Citric acid monohydrate is mainly used as an acidic seasoning for refreshing beverages, fruit juices, jams, fruit candies, and canned foods, as well as an antioxidant for edible oils.
Anhydrous citric acid is widely used in solid beverages.
Metal cleaning：
Citric acid is an organic acid produced through microbial fermentation, widely used in detergent production.Citric acid is mainly used for cleaning pipelines, gas water heaters, and water dispensers. The corrosion inhibition performance of citric acid in detergents is also quite outstanding. Acid cleaning, as an important component of chemical cleaning, has relatively weaker acidity compared to inorganic acids, resulting in lower corrosiveness to equipment. The safety and reliability of citric acid cleaning are relatively strong, and the waste liquid is relatively easy to handle, without posing any harm to human health.
Chemical, pharmaceutical, and textile industries:
Citric acid can be used as a chemical analysis reagent in chemical technology; It can be used as a reagent to test the acid resistance of building tiles.
Cosmetics industry:
Citric acid is a kind of fruit acid, which is mainly used to accelerate the renewal of cutin, and is commonly used in lotion, face cream, shampoos, whitening products, etc.
Storage conditions:
Citric acid monohydrate loses its crystalline water in dry air or when heated to about 40 degrees Celsius, and deliquests slightly in moist air. A dilute aqueous solution of citric acid can ferment while still. Therefore, solid monohydrate or anhydrous substances should be stored in airtight containers and stored in a cool and dry place.
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