The common name for dibasic sodium phosphate is disodium phosphate. Disodium phosphate is a compound that consists of two sodium ions (Na+) and one phosphate ion (PO43-). It is derived from phosphoric acid, where two of the three hydrogen ions have been replaced by sodium ions.
Disodium phosphate is often used as a food additive, specifically as a buffering agent, emulsifier, and sequestrant. In the food industry, it helps regulate pH levels, enhance the texture and stability of processed foods, and prevent undesirable reactions or discoloration.
The name "disodium phosphate" reflects the composition of the compound, indicating the presence of two sodium ions. It is referred to as "dibasic" to indicate that it is a salt derived from a dibasic acid, phosphoric acid, which has two ionizable hydrogen atoms. The common name simplifies its identification and distinguishes it from other phosphate compounds.