Some of the properties of citric acid are as follows: Firstly, formula of citric acid is C6H8O7. Secondly, molar mass of anhydrous citric acid is 192.123 g/mol while monohydrate citric acid is 210.14 g/mol. Thirdly, citric acid is found in crystalline white solid form. The density of citric acid is 1.665 g/cm³ and melting and boiling points are153 oC and 175 oC respectively. Solubility of citric acid is 133 g/100 ml (20°C) and it is extacted from oranges.