C6H8O5

C6H8O5, also known as citric acid, is a weak organic acid with the chemical formula C6H8O7. It is a natural compound found in citrus fruits, such as lemons, limes, and oranges, as well as in many other fruits and vegetables. Citric acid is widely used in the food and beverage industry as a preservative, flavoring agent, and acidifier. It is also used in the pharmaceutical industry as a buffering agent and in the cleaning industry as a chelating agent.

Citric acid is a crystalline solid at room temperature, with a melting point of 153°C and a boiling point of 220°C. It is soluble in water and has a pKa value of 3.13, indicating its weak acidic nature. The molecule consists of six carbon atoms, eight hydrogen atoms, and seven oxygen atoms, arranged in a cyclic structure with three carboxylic acid groups.

Citric acid has several important properties. It is a reducing agent, meaning it can donate electrons to other substances. It also has chelating properties, meaning it can form stable complexes with metal ions. Additionally, citric acid is biodegradable and non-toxic, making it a popular choice for various industrial applications.

In summary, C6H8O5, or citric acid, is a versatile organic acid with a wide range of applications in the food, pharmaceutical, and cleaning industries. Its natural occurrence in fruits and vegetables, as well as its desirable chemical properties, make it a valuable compound in various fields.