Sodium dihydrogen phosphate monohydrate is used as a food additive. It finds use as mordant in dyeing. It is also used in the manufacture of enamels, chemicals, pharmaceuticals, ceramics, detergents, and boiler compounds. In addition, it is used as a fireproofing agent, thickening agent, emulsifier, and as a reagent and buffer in analytical chemistry.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.