Sodium phosphate is most commonly used in the production of chemicals for water softening. It comes in the form of white crystals Dissolves easily in water. It is strongly alkaline, which means that it can also be used to regulate the pH as a pH buffer. It can also work well for industrial degreasing.
Sodium phosphate is also used in food production. Its task is to enrich various food products with phosphorus and to regulate their acidity. It is known as E339and can be found on the labels of many food products because it is one of the most popular acidity regulators.