Disodium hydrogen phosphate can be used as a water softener, fabric weighting agent, flame retardant, and is used in glazes, solders, pharmaceuticals, pigments, the food industry, and the production of other phosphates. It serves as an emulsifier quality improver, nutritional enhancer, fermentation aid, chelating agent, and stabilizer. It is used as a boiler water softener, flame retardant for fabrics, wood, and paper, and in glazes and solders. It is employed in the production of detergents, cleaning agents for printing plates, and as a mordant in dyeing processes. It is a raw material for manufacturing sodium pyrophosphate and other phosphates, as well as a culture medium for monosodium glutamate, erythromycin, penicillin, streptomycin, and wastewater treatment products. It is also used in electroplating and tanning. In the food industry, it functions as a quality improver, pH regulator, and nutritional enhancer.