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Urea, also known as urea or carbonamide, has a chemical formula of CH4N2O or CO(NH2)2. It is a white crystal, tasteless and odorless, easily soluble in water, ethanol and benzene, and slightly soluble in ether and Chloroform`. Urea is one of the simplest organic compounds and the main nitrogen-containing end product of protein metabolism and decomposition in mammals and some fish. It can be used as fertilizer, animal feed, glue stabilizer and chemical raw material. Because this substance is contained in human urine, it is named urea. As a neutral fertilizer, urea is suitable for various soils and plants. It is easy to store, easy to use, and has little destructive effect on the soil. It is a chemical nitrogen fertilizer with a large usage.
Dermatology uses certain drugs containing urea to increase the moisture content of the skin. For example, the occlusive dressing used for non-surgical nail removal contains 40% urea.
Industrial field
Urea has a brightening effect on the chemical polishing of steel and stainless steel, is used as a corrosion inhibitor in metal pickling, and is also used in the preparation of palladium activation solution.
Animal husbandry
Urea has a large output and low cost, and is an important non-protein nitrogen feed. In 1891, Morgan et al. discovered that urea can synthesize protein in the rumen of ruminants through the action of microorganisms, so it has the effect of saving protein feed and is suitable as a feed additive for cattle and sheep. Urea is also one of the important ways to achieve the reduction and replacement of soybean meal for ruminants, and has been included in the first batch of feed additives in my country.
Agricultural field
Urea is a high-concentration nitrogen fertilizer, a neutral and fast-acting fertilizer, and can also be used to produce a variety of compound fertilizers. No harmful substances remain in the soil, and long-term application has no adverse effects. Urea is suitable for base fertilizer and topdressing, and is sometimes used as seed fertilizer. Urea is in molecular form before conversion and cannot be adsorbed by the soil. It should be prevented from being lost with water. After urea is applied to the soil, a small part of the urea dissolves in the soil solution in molecular form and is adsorbed by the soil through hydrogen bonding. The rest is hydrolyzed into ammonium carbonate under the action of urease, and then generates carbonic acid and ammonium hydroxide.
It can adjust the amount of flowers/thinning flowers and fruits/rice seed production/pest control, etc.
| CAS | 57-13-6 |
| Total Nitrogen Content≥ | 46.4 (%) |
| Melting point | 132.7 °C |
| Boiling Point | 196.6 °C /Standard atmospheric pressure |
| Water solubility | 1080 g/L (20°C) |
| Density | 1.335 g/cm³ |
Najin Import and Export (Shandong) Co., Ltd. is a comprehensive, diversified, and comprehensive company with BDO, PEG, PPG, PTMEG, MDI, TDI, PVA, NMP, and polyether polyols, polyester polyols, and polymer polyols as its main industrial chains. We have a professional sales team that has won recognition and praise from the industry with exquisite technology, sound administrative management, and good teamwork. The product is sold to multiple domestic and foreign enterprises.
We always adhere to the principle of "quality first, customer first, and reputation first", and are committed to providing customers with the best products. We will also continue to build a professional chemical product supply chain with the highest quality service, best products, and maximum efforts.
