Ammonium hydrogen phosphate is used as a fertilizer, as a fire retardant, as a yeast nutrient in winemaking and brewing mead, as an additive in some brands of cigarettes, in purifying sugar and to control precipitation of alkali-soluble and acid-insoluble colloidal dyes on wool.

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.