Sodium citrate is used as flavor agent and stabilizer in food and beverage industry; It is used as anticoagulant, expectorant and diuretic in pharmaceutical industry; In detergent industry, it can replace sodium tripolyphosphate as a non-toxic detergent additive; It is also used in brewing, injection, photographic medicine and electroplating. Sodium citrate is also one of the basic reagents in biological experiments.