The chemical formula that pertains to the substance commonly known as ammonium phosphate is (NH4)3PO4. the parentheses around the "nh4" indicate that it is a polyatomic ion
A salt that consists of ammonium cations and phosphate anions has a chemical formula of (NH4)3PO4. Its uses are for enriching fertilizer soils with nitrogrn and also to fight flames as a retardant.
