Citric Acid

Citric acid is a white, crystalline solid at room temperature, odorless, with a strongly acidic taste and moderate hygroscopicity; it decomposes before boiling and has a melting point of approximately 153 °C. It is a naturally occurring tricarboxylic organic acid, commonly produced via microbial fermentation of carbohydrates. Citric acid serves as a chelating agent, pH adjuster, and preservative across multiple industries, and is widely used in food and beverage formulation, pharmaceutical excipients, and detergent builders. It functions as an intermediate in the synthesis of citrate esters—used as plasticizers and solvents—and in metal cleaning and surface treatment applications. Typical application areas include food additives, pharmaceuticals, cosmetics, cleaning products, and electroplating solutions.


Citric acid is the intermediate product of the plants of a natural composition and physiological metabolism, is also one of the organic acids widely used in the field of food, medicine, chemical industry. It is colorless transparent or translucent crystal, or granular, particle powder, odorless, although has strong sour, but a pleasant, slightly astringent taste. In the warm air gradually disintegrate, in the humid air, it is slight deliquescence.

This chemical is included in Fine Chemicals. See more about what is Citric Acid and Citric Acid SDS information.

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