Urea N46% is a common nitrogen fertilizer that is widely used in agriculture. The specifications of Urea N46% can vary depending on the producer and the country of origin, but some of the general specifications are as follows: Nitrogen content (N): 46% minimum Biuret content: 1% maximum Moisture content: 0.5% maximum Granulometry: 90% of particles shall pass through 2.80mm sieve and be retained on 1.00mm sieve. Color: Pure white Free ammonia: 160 PXT PPM maximum Melting point: 132-135 degrees Celsius Radiation: Non-radioactive Physical state: Solid pH: 7.5-8.0 It's important to note that these specifications are general and may vary slightly depending on the producer or the region of origin. The specifications of Urea N46% are important to ensure that it is of high quality and safe for use in agricultural applications. Urea N46% is primarily used as a nitrogen fertilizer in agriculture. Nitrogen is a key element in plant growth, and urea N46% is a highly concentrated source of nitrogen. When applied to soil, it is converted into ammonium, which can be taken up by plant roots.