Ammonium dihydrogen phosphate (ADP) is a crystal material and is a member of large family of compounds which possess a chemical formula:MH2XO4.Monoammonium phosphate is soluble in water and crystallizes from it as the anhydrous salt in the tetragonal system, as elongated prisms or needles.
Ammonium dihydrogen phosphate (ADP), also known as monoammonium phosphate (MAP)is a chemical compound with the chemical formula (NH4)(H2PO4). ADP is a major ingredient of agricultural fertilizers and some fire extinguishers. It also has significant uses in optics and electronics.It is practically insoluble in ethanol.