Urea CAS# 57-13-6
Urea (CAS 57-13-6) is a colorless or white crystalline solid.
Urea has a high nitrogen content of about 46.67%. It is stable at room temperature, easily soluble in water, and its aqueous solution is neutral. Urea is an important nitrogen fertilizer in agriculture, which can provide plants with the nitrogen element they need for growth and promote plant growth and development. Its fertilizer effect is long-lasting and mild, and it is suitable for all kinds of soils and crops. In industry, urea also has a wide range of uses. For example, it is used in the production of chemical products such as melamine and urea-formaldehyde resin; in the pharmaceutical industry, it can be used as an excipient for drugs; in the cosmetics industry, it can be used to adjust the humidity of products. Urea also has certain applications in the medical field, such as for detecting kidney function.
Urea CAS# 57-13-6
| Urea Basic information |
| Chemical structure?History?Occurrence?Physical properties?Chemical Properties?Productions?Production methods?Uses?Hazards?Reference |
| Product Name: | Urea |
| Synonyms: | Prespersion, 75 urea;prespersion,75urea;Supercel 3000;UREA;UREA, PRILLED;Urea, 99.5%, for analysis;Urea, 99.5%, dnase, rnase and protease free, for molecular biology;Urea, for analysis |
| CAS: | 57-13-6 |
| MF: | CH4N2O |
| MW: | 60.06 |
| EINECS: | 200-315-5 |
| Product Categories: | ACTIGALL;proteinmod;fertilizer;Alphabetical Listings;Stable Isotopes;U-Z;Chaotropic Agents;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;Carbonyl Compounds;Cell Biology;Chemical Synthesis;Denaturation;Organic Building Blocks;U;Ureas;Protein Electrophoresis;Proteomics;SDS-PAGE;Urea;Enzymes;Inhibitors;Industrial Grade;Food Additive |
| Mol File: | 57-13-6.mol |
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| Urea Chemical Properties |
| Melting point | 132-135???C(lit.) |
| Boiling point | 332.48??C (estimate) |
| density | 1.335?g/mL?at 25???C(lit.) |
| vapor pressure | <0.1 hPa (20 ??C) |
| refractive index | n20/D?1.40 |
| storage temp. | 2-8??C |
| solubility | H2O: 8?M at?20???C |
| form | powder |
| pka | 0.10(at 25??) |
| color | white |
| Specific Gravity | 1.335 |
| PH | 8.0-10.0 (20??, 8M in H2O) |
| Odor | almost odorless |
| Water Solubility | 1080 g/L (20 oC) |
| ??max | ??: 260 nm Amax: 0.03 ??: 280 nm Amax: 0.02 |
| Merck | 14,9867 |
| BRN | 635724 |
| Dielectric constant | 3.5??Ambient?? |
| Stability: | Substances to be avoided include strong oxidizing agents. Protect from moisture. |
| InChIKey | XSQUKJJJFZCRTK-UHFFFAOYSA-N |
| LogP | -1.660 (est) |
| CAS DataBase Reference | 57-13-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Urea(57-13-6) |
| EPA Substance Registry System | Urea (57-13-6) |
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