Citric acid monohydrate 1, Character: Colorl ess crystal or white crystal powder. 2, Usage:food additive 3,Purity:99% citric acid monohydrateMolecular formula: C6H8O7.H20Molecular weight: 210.14 Physical character:Colorless crystal or white crystal powder. Use:Mainly used at food , drink industry such as the sourness agent , condiment , aseptic and retaining fresh agent. Be used as antioxidant, ...