Organic compound HOC(CH2CO2H)2 is the formula for Citric Acid. It is a weak organic acid that is colorless. Citrus fruits naturally contain it. It is a biochemical intermediary in the citric acid cycle, which is a component of all aerobic organisms' metabolism. Citric Acid is frequently added to food as a preservative and natural flavor. Moreover, it is utilized in cleaning products, medical applications, cosmetics, and as an antioxidant.