Item# ACASCO056G Food grade ascorbic acid, more commonly known as vitamin C. It’s used in small amounts to add tartness to the flavor of food and drinks. Also used as an antioxidant and vitamin. Ascorbic acid is a natural acid found in many different kinds of fruit and vegetables. Melting point 190-192 °C (374-378 °F) with decomposition. Solubility: in water 33 g/100 ml; ethanol 2 g/100 ml; in glycerol 1 g/100 ml; in propylene glycol 5 g/100 ml; insoluble in diethyl ether, chloroform, benzene, petroleum ether, oils, and fats. Acidity (pKa): 4.10 (first), 11.6 (second) NOTE: The photo is of citric acid. Our ascorbic acid comes is a similar container. We will update the photo shortly.