Product feature Colorless transparent monoclinic crystal or white powder, easy soluble in water, gradually lose ammonia to become into ammonium dehydrogenate phosphate when exposed into the air, its aqueous solution is alkali. Product specification/models Appearance white crystals (nh4)2hpo4 98%min P2o5 53%min N 21%min Water insoluble 0.05 %max Moisture 0.2 %max Pb 0.001 %max As 0.0003 %max F 0.002 %max Ph 7.8-8.2 Package: woven bag lined with plastic bag, net weight: 25kg/50kg/1000kg/bag