Ethylurea
Ethylurea
CAS: 625-52-5
Molecular Formula: C3H8N2O
Ethylurea - Names and Identifiers
| Name | Ethylurea |
| Synonyms | ETHYLUREA Ethylurea ETHANOLUREA N-ETHYLUREA Urea, ethyl- ETHYLCARBAMIDE ETHYLUREA (MONO) |
| CAS | 625-52-5 |
| EINECS | 210-898-8 |
| InChI | InChI=1/C3H8N2O/c1-2-5-3(4)6/h2H2,1H3,(H3,4,5,6) |
| InChIKey | RYECOJGRJDOGPP-UHFFFAOYSA-N |
Ethylurea - Physico-chemical Properties
| Molecular Formula | C3H8N2O |
| Molar Mass | 88.11 |
| Density | 1.2130 |
| Melting Point | 87-90 °C (lit.) |
| Boling Point | 163.08°C (rough estimate) |
| Flash Point | 93°C |
| Water Solubility | soluble |
| Solubility | H2O: 0.1g/mL, clear, colorless |
| Appearance | White crystal |
| Color | Off-White to Pale Yellow |
| BRN | 1740512 |
| pKa | 14.39±0.46(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4715 (estimate) |
| MDL | MFCD00007953 |
| Physical and Chemical Properties | Ethyl urea pure white crystals, m. P. 92 ℃, industrial products for white flake solid, easy to absorb moisture, solubility in water. |
| Use | Intermediates for the synthesis of pharmaceuticals and pesticides |
Ethylurea - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R68 - Possible risk of irreversible effects R37 - Irritating to the respiratory system R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | 1325 |
| WGK Germany | 3 |
| RTECS | YT2335000 |
| TSCA | Yes |
| HS Code | 29241990 |
| Packing Group | III |
Ethylurea - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | ethyl urea is an intermediate of the fungicide, downy cyanide. intermediates for the synthesis of pharmaceuticals and pesticides |
| production method | the preparation method is to add toluene and urea in the reaction kettle, cover and seal, stir and heat to a certain temperature, subsequently, a certain amount of ethylamine was introduced, and stirring was continued for 0.5h after completion, and the mixture was cooled to 40~50 ℃. The mixture was placed in a crystallization pan, and cooled to 0~5 ℃, filtered and dried, white scaly crystals were obtained as finished products. |
Last Update：2024-04-09 15:16:52
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