Citric acid (CAS 77-92-9) is a white crystalline powder that is commonly used in various industries. Its basic structure consists of a tricarboxylic acid with the chemical formula C6H8O7. It is highly soluble in water, resulting in a clear solution. The physical appearance of citric acid is that of a fine white powder with a crystalline texture. It is odorless and has a sour taste, which is characteristic of its acidic properties.
Applicable Fields
Food and Beverage Industry: Citric acid is widely used in the food and beverage industry as a flavor enhancer, preservative, and acidulant. Its mechanism of action involves enhancing the tartness and acidity of food products, as well as inhibiting the growth of bacteria and fungi.
Pharmaceutical Industry: In the pharmaceutical industry, citric acid is utilized as an excipient in the formulation of various medications. It serves as a pH adjuster, buffering agent, and chelating agent. Its mechanism of action involves maintaining the stability and effectiveness of pharmaceutical formulations.
Cosmetics Industry: Citric acid is also used in the cosmetics industry as an ingredient in skincare products, hair care products, and personal care products. It acts as a pH adjuster, exfoliant, and antioxidant. Its mechanism of action involves promoting skin exfoliation, regulating pH levels, and protecting against oxidative damage.
Storage Conditions
Store in a cool, dry place.