Sodium citrate, with the chemical formula Na₃C₆H₅O₇·2H₂O and CAS number 6132-04-3, is a non-toxic, water-soluble inorganic salt.
It appears as colorless crystals or a white crystalline powder with a slightly salty taste. It possesses good buffering, chelating, and antioxidant properties.
Sodium citrate is a commonly used chemical raw material produced by the neutralization reaction of citric acid and is widely used in food, pharmaceuticals, chemicals, water treatment, and daily chemical products.