Ammonium dihydrogen phosphate(map) Chemical name: ammonium dihydrogen phosphate Molecular formula and weight: nh4po4=115.02 Structure formula: Cas no.: [7722-76-1] Density: 1.8 Melting point: 190-205 f¦ Physical properties: with an appearance of white or pale power, it has a little hygroscopic property, and it can be easily blocked after being affected with damp. Application: it can be used as fertilizers and basic raw material for production of compound fertilizers. It also be applied to industry as raw material for manufacture of anti-flammability agents.