👉 In chemistry, a diphosphate is a compound that contains one phosphate group and one hydroxide ion (OH-) attached to it. Diphosphates are common in organic compounds and have various applications, such as in pharmaceuticals, fertilizers, and water treatment. The term "diphosphate" is derived from the Greek word "dipos," meaning "to dip." This name indicates that the diphosphate has one phosphate group attached to it. The presence of a second