Sodium hydrogenphosphate dihydrate is widely used in the food industry as a buffering agent and emulsifier. It helps maintain the pH levels in processed foods, such as cheese, meat products, and canned goods, ensuring stability and extending shelf life. In the pharmaceutical sector, it serves as an excipient in tablets and capsules, aiding in controlled drug release. Additionally, it is utilized in water treatment processes to prevent corrosion and scale formation in boilers and pipelines. In laboratories, it acts as a reagent for preparing buffer solutions, essential for maintaining consistent pH during experiments. Its role in various industries highlights its versatility and importance in maintaining product quality and process efficiency.