Citric Acid Anhydride
Citric Acid Anhydride (CAA) is a chemical compound that is the anhydride of citric acid. It is a white crystalline solid with a strong, acidic odor.
Key Properties:
- Chemical formula: C₆H₈O₇
- Molar mass: 176.13 g/mol
- Appearance: White crystalline solid
- Melting point: 153-156 °C (307-311 °F)
- Boiling point: Decomposes
- Solubility: Soluble in water, ethanol, and ether
Uses:
- Chemical intermediate: CAA is primarily used as a chemical intermediate in the production of other compounds, such as citric acid esters and plasticizers.
- Flavoring agent: It can be used as a flavoring agent in food and beverages.
- Pharmaceutical applications: CAA is used in the production of certain pharmaceuticals.
- Industrial applications: It has various industrial applications, such as in the production of resins and surfactants.