Sodium dihydrogen phosphate anhydrous is widely used in the food industry as an acidity regulator, emulsifier, and nutrient supplement. It helps maintain the desired pH levels in processed foods, enhancing their stability and shelf life. In the pharmaceutical sector, it serves as a buffering agent in various formulations, ensuring the proper pH for drug efficacy and stability. Additionally, it is employed in water treatment processes to control corrosion and scale formation in boiler systems. In agriculture, it is utilized as a fertilizer component to provide essential phosphorus to plants, promoting healthy growth. The chemical also finds applications in laboratory settings as a reagent for biochemical and molecular biology experiments.