The term sodium citrate is most commonly used to refer to trisodium citrate. However, it can also refer to other sodium salts from citrate — such as disodium citrate and monosodium citrate. It is also known by its IUPAC name as trisodium 2-hydroxypropane-1,2,3-tricarboxylate, and it has the chemical formula Na3C6H5O7 and the assigned CAS Number 68-04-2. Other names for sodium citrate include citric acid, trisodium salt, and 1,2,3-propanetricarboxylic acid.