Product name : Sodium Citrate

Synonyms : Citrosodine; trisodium citrate; citric acid, trisodium salt; 2-hydroxy-1,2,3-propanetricarboxylic acid, trisodium salt, dihydrate;sodium citrate dihydrate

CAS # :  68-04-2 (Anhydrous); 6132-04-3 (Dihydrate)

Items                              Properties

Molecular formula        HOC (COONa) /(CH₂COONa)₂.2H₂O  /Na₃C₃H₅O(CO₂)₃
Molar mass                   294.10  g/mol
Density                           ca. 1.7 g/cm3
Melting point                  150℃ (302F) 
Boiling point                  Decomposes at red heat.
appearance                  White crystals.
odor                                 odorless
solubility                         72 g/100 g of water.
pH                                    ca. 8.0

Characteristics and Application :

Sodium citrate usually refers to trisodium citrate, though it can refer to any of the sodium salts of citric acid:Monosodium citrate ;Disodium citrate ;Trisodium citrate .
Trisodium citrate possesses a saline, or mildly tart, flavor. Trisodium citrate is chiefly used as a food additive, usually for flavor or as a preservative.

Uses :

It is also an anti-coagulant.
As a buffering agent, sodium citrate helps maintain pH levels in soft drinks.
As a sequestering agent, sodium citrate attaches to calcium ions in water, keeping them from interfering with detergents and soaps.
Sodium citrate is used to relieve discomfort in mild urinary tract infections such as cystitis. It works by making the urine less acidic.