Cas:57-13-6 density:1.335g/ccm solubility:1050g/l nitrogen:46% or 46.2% biuret:1%max Moisture:0.5%max fe:0.005%max nh3:0.015%max size:0.8mm-2.5mm or 2.0mm-4.75mm Aquapure chemicals limited is a professional producer for fertilizers&pool chemicals in china. We produce urea 110, 000mt/year &ammonium sulphate 80, 000mt/year. Our productes including: Urea 46% granular Ammonium sulphate 21% granular Tcca 90%-trichloroiscyanuric acid (tricloro powder, granular and tablets) Sdic 56%&60%-sodium dichloroisocyanurate (dichloro granular and powder) Calcium hypochlorite(calhypo 70% by sodium process)