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 ℃ 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.