Tripotassium phosphate is an inorganic compound composed of potassium and phosphorus with the molecular formula K3PO4. It is used in a variety of industries, including food, medicine, agriculture, and water treatment. It is also known as potassium phosphate tribasic or potassium acid phosphate. It is a white, odorless, crystalline powder that is highly soluble in water and moderately soluble in alcohol. It is an alkaline salt that is slightly hygroscopic and has a slightly salty taste. Tripotassium phosphate is used as an emulsifier, stabilizer, and a buffering agent in food products. It is used to adjust the pH of foods and beverages, and to improve their texture and flavor. In medicine, it is used to treat hypophosphatemia, a condition caused by an imbalance of phosphate in the blood. In agriculture, it is used as a fertilizer and as a source of potassium and phosphorus for crops. In water treatment, it is used to adjust the pH of water and to remove hardness.