1,3-Bis(trimethylsilyl)urea
- Product Name1,3-Bis(trimethylsilyl)urea
- CAS18297-63-7
- MFC7H20N2OSi2
- MW204.42
- EINECS242-177-9
- MOL File18297-63-7.mol
Chemical Properties
| Melting point | 219-221 °C(lit.) |
| Boiling point | 222°C |
| Density | 0.887 |
| vapor pressure | 0.002-1850Pa at 25℃ |
| Flash point | 65°C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | pyridine: soluble100mg/mL, clear to slightly hazy, colorless to light yellow |
| form | solid |
| pka | 16.51±0.46(Predicted) |
| color | White to Almost white |
| Water Solubility | Reacts with water. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1937452 |
| InChIKey | MASDFXZJIDNRTR-UHFFFAOYSA-N |
| LogP | -2.11-2.72 at 20℃ |
| CAS DataBase Reference | 18297-63-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Urea, n,n'-bis(trimethylsilyl)-(18297-63-7) |
Safety Information
| Hazard Codes | F,Xn |
| Risk Statements | 11-36/37/38-20/21/22 |
| Safety Statements | 14-16-24/25-36-26 |
| RIDADR | UN 1325 4.1/PG 2 |
| WGK Germany | 3 |
| F | 3-10-21 |
| TSCA | Yes |
| HS Code | 29310095 |
