Citric Acid Monohydrate

C6H8O7

Citric acid is a weak organic acid,it occurs naturally in citrus fruits. Citric acid can exist either in an anhydrous (water-free) form or as a monohydrate. The anhydrous form crystallizes from hot water, while the monohydrate forms when citric acid is crystallized from cold water. The monohydrate can be converted to the anhydrous form at about 78 °C.