Diammonium hydrogenphosphate CAS NO.7783-28-0

White granular crystal and relative density is 1.619, melting point is 155°C, easy to soluble in water and not soluble in alcohol, PH value of 1% wat…

White granular crystal and relative density is 1.619, melting point is 155°C, easy to soluble in water and not soluble in alcohol, PH value of 1% water solution is 8.0. It will lose gradually ammonia to become ammonium dibasic phosphate. Mainly used as fire-preventing agent for fabric，timber and paper;also used in electroplating and pharmacy as fermentater and nourishment in foodstuff industry Specifications Specifications Industrial. grade Food grade Appearance White crystals Main content, % min 99.0 99.0 Phosphorus pent-oxide, % min 52.7 52.7. Nitrogen as N, % min 20.5 20.5 Water insoluble, % max 0.1 0.01 Moisture, % max 0.2 0.2 Heavy metals,as Pb. % max ------ 0.001 Arsenic,as As. % max ------ 0.0003 Fluorde,as F. % max ------ 0.001 PH 7.8-8.2 7.8-8.2