Colorless or white crystalline particles or crystalline powder, odorless, salty, cool, easily soluble in water, hardly soluble in ethanol, decomposed by overheating, slightly deliquescent in humid air, and slightly weathered in hot air.

The relative density is 1.19,

Melting point 150ºC (the crystal water is lost at this temperature),

The pH of the solution is about 8

CAS number: 68-04-2

It is widely used in the food, beverage and spice industries as souring agents, flavoring agents and preservatives, preservatives, buffers, and chelating agents. Used as antioxidant, plasticizer and detergent in chemical industry, cosmetic industry and washing industry. Used as an anticoagulant in the pharmaceutical industry. Chemical, leather, printing, non-toxic electroplating and atomic energy industries.

When fresh blood is taken clinically, it is necessary to add some disinfected sodium citrate to prevent blood clotting, so sodium citrate is called an anticoagulant. Used as a flavoring agent and stabilizer in the food and beverage industry; used as an anticoagulant, phlegmizer and diuretic in the pharmaceutical Chemicalbook industry; in the detergent industry, it can replace sodium tripolyphosphate as a non-toxic detergent The auxiliary agent; also used in brewing, injection, photographic medicine and electroplating. It is one of the basic drugs for biological experiments.