Potassium phosphate dibasic, with the chemical formula K2HPO4, is a salt commonly used in various industrial and laboratory applications. It appears as a white, crystalline powder and is highly soluble in water. This compound is a source of both potassium and phosphate ions, making it valuable in chemical processes and research.

In laboratories, potassium phosphate dibasic is used as a buffering agent to control the pH of solutions. It helps maintain a stable pH level in a wide range of experimental conditions. Additionally, it finds use in the preparation of microbiological culture media.