urea 46% prilled and Granular Nitrogen: 46%min Biuret:1%max Moisture:0.5%max Size:Prilled :0.85-2.80mm, 90%min ;Granular : 2.00--4.75mm,90% Min Color: white Basic informations: CAS: 57-13-6 H.S.: 31021000 MF: CO(NH2) 2 EINECS NO.: 200-315-5 Origin: SHANDONG, CHINA Release type: QUICK Purity: 99.8% Application: AGRICULTURE Melt: 132.7 centigrade Density: 1.335g/cm3 Urea is one kind of neutral fertilizer, which can be used in long time without any harmful material in soil. Usually it can be used both for base and top dressing fertilizer in agriculture. urea contains prilled urea and granular urea . Prilled urea : gas based and coal based ; coated and uncoated; agriculture and industry grade Granular urea : Can be used in agriculture and producing BB fertilizer and sulfur coated urea.