Sodium Citrate Formula

Sodium citrate is a commonly used chemical component in the food industry as a food additive as a flavoring agent or as a preservative. E331 is the most common flavoring agent seen. Sodium citrate is the compound formed after the alkalinizing activity and is the sodium salt of citrate. Upon absorption, sodium citrate dissociates into sodium cations and citrate anions.

Chemical formula C6H5O7Na3
Molecular weight 258.068 g/mol
Density 1.7 g/cm3
Chemical names Sodium citrate tribasic dihydrate, Citric acid trisodium salt dihydrate and Trisodium citrate dihydrate
Boiling point Decomposes
Melting point > 300 °C (572 °F; 573 K)

Sodium Citrate Structural Formula

Sodium citrate is an anticoagulant and hence used in milk based foods like milk powder, yogurt, jams, sweets, ice cream and many more. The chemical structure of Sodium citrate is shown in the figure below.

Structural Formula of Sodium Citrate

For more information on any chemical compound, refer BYJU’S.

Practise This Question

Assertion (A): Classical smog occurs in cold humid climate and it is acidic as well as reducing in nature.
Reason (R): It is a mixture of smoke, fog and sulphur dioxide.