... White crystal powder 4. 25kg/bag, 25MT/20GP Citric Acid is mainly used as acidulant, flavouring agent, preservative and ... Moreover, it can be used as the antioxidant of grease. Citric acid monohydrate Product CharactersWhite Crystalline Powders, Colorless Crystals or ... light-proof, well-closed, dry and cool placeMain UsageCitric Acid is mainly used as acidulant,flavoring agent, preservative and ...