Urea, also known as carbamide, is an organic compound composed of carbon, nitrogen, oxygen, and hydrogen, also known as urea, and is a white crystal. One of the simplest organic compounds, it is also the nitrogen fertilizer with the highest nitrogen content.
1. As a neutral fertilizer, urea is suitable for various soils and plants. It is easy to store, easy to use, and has little damage to the soil. It is a chemical nitrogen fertilizer that is currently used in large quantities.
2. Industrially use ammonia and carbon dioxide to synthesize urea under certain conditions. It can be used as a large amount of raw materials for the production of melamine, urea-formaldehyde resin, hydrazine hydrate, tetracycline, phenobarbital, caffeine, reduced brown BR, phthalocyanine blue B, phthalocyanine blue Bx, monosodium glutamate, etc.
3. It has a brightening effect on chemical polishing of steel and stainless steel. It is used as a corrosion inhibitor in metal pickling and also used in the preparation of palladium activation solution.