Minimum Order Quantity: 25 Kg Packaging Size 25 kg bag Packaging Type BAG Form Powder Material Powder Grade Standard INDUSTRIAL Solubility SOLUBLE Citric Acid is a weak nature organic acid having the formula as C6H8O7. Citric Acid is a natural preservative which is found in citrus fruits and is also used to add a sour taste to foods and drinks. Citric acid is commonly used as an acidifier, a chelating agent and a descaler.