... (NH2)2, TG,98.0%min,P2O5:44.0%min,N:17.0%min,PH:1.6-2.0 UP FOR ... . gradeAppearanceWhite crystalsMain content %min98.0Phosphorus Pent-oxide %min44.0Nitrogen as N, %min17.0Water insoluble, %max0.1Heavy metals, as Pb, %max---------Arsenic ... processing, leather treatment, pulp& paper, textile, paint and electronic industries. Urea phosphate ( UP ) fertilizer 17-44