Sodium phosphate dibasic heptahydrate is widely used in the food industry as a buffering agent, emulsifier, and nutrient supplement. It helps maintain the pH level in processed foods, ensuring stability and consistency in products like cheese, meat, and baked goods. In the pharmaceutical sector, it serves as an excipient in tablets and capsules, aiding in controlled drug release and enhancing solubility. 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 pH in biochemical and molecular biology experiments. Its role in agriculture includes being a component of fertilizers, providing essential phosphorus to promote plant growth.