(NH4)2HPO4, known as ammonium hydrogen phosphate, is a chemical compound composed of ammonium ions and hydrogen phosphate ions. It appears as a white crystalline solid and is soluble in water. This compound is often used as a fertilizer in agriculture due to its high phosphorus content, which is essential for plant growth. In addition to its agricultural applications, (NH4)2HPO4 is utilized in various industrial processes, including the production of certain types of glass and ceramics. It also serves as a buffering agent in biochemical research, helping to maintain stable pH levels in solutions.