Chinese name: Sodium Citrate

Other name: Sodium Citrate

Chemical formula: Na3C6H5O7·2H2O

Molecular weight: 294.1

CAS registration number: 6858−44−2

Melting point: heating to 150°C to lose crystal water

Water solubility: easily soluble in water

Density: 1.859 (relative density)

External view: white or colorless powder

Application field

1. Sodium citrate is mainly used as a food additive and has the greatest demand. It can also be used as a flavoring agent, expansion agent, stabilizer, preservative, buffer, and emulsifier, etc.; in addition, sodium citrate is combined with citric acid, It can also be used as flavoring agent, gelling agent and nutritional supplement for various cakes, cold drinks, fruit juices, beverages, cold drinks, dairy products and jams.

2. Sodium citrate is used as a long-acting anticoagulant, so that the blood can be stored longer. Sodium citrate also has antiseptic effect and is used to preserve some medicines.

3. In the construction industry, sodium citrate can be added as a retarder in the production of concrete, which can improve the frost resistance, compression resistance and tensile properties of cement products; under the increasingly serious social conditions of environmental problems, some smelters The sulfur dioxide in the exhaust flue gas is seriously exceeding the standard. Studies have shown that the use of sodium citrate's own characteristics to remove the sulfide in the industrial exhaust gas is effective.