http://www.vizda-industrial.co....m/inorganic-compound high purity Inorganic Compound Product: Monoammonium Phosphate锛圡AP锛? Ammonium dihydrogen phosphate Related word: monoammonium phosphate crystal growing, monoammonium phosphate powder, monoammonium phosphate fertilizer Molecular formula: NH4H2PO4 Molecular weight: 115.03 Properties: White crystalline powder. Stable in the air. 1G is dissolved in 2.5ml water. Slightly soluble in ethanol, insoluble in acetone. The aqueous solution is acidic. The solubility in water at normal temperature (20 鈩? is 37.4g. Relative density 1.80. The melting point is 190 鈩? The refractive index is 1.525.