Urea, also known as carbamide, is an organic compound with chemical formula CO(NH2)2. It is a colorless, odorless solid, highly soluble in water, and practically non-toxic. Dissolved in water, it is neither acidic nor alkaline. introduction and scientific invention of Urea is identified as a life changing event in the history of agriculture. Urea N46% is the world’s most common nitrogen fertilizer and has been used uniformly in all the agricultural lands of the world.