Anhydrous Citric Acid has the chemical name Citric Acid and has the appearance of an odourless, colourless, white powder. This substance is toxic to plants and should not be used on any plant life that is of value. Anhydrous means that the substance has no water and is in a dry, granulated form. It is used in the fermentation of cane sugar and molasses.

Citric acid is used as an excipient in pharmaceutical preparations due to its antioxidant properties. It maintains stability of active ingredients and is used as a preservative. It is also used as an acidulant to control pH and acts as an anticoagulant by chelating calcium in blood.