1,1,3,3-Tetraethylurea
- CAS NO.：1187-03-7
- Empirical Formula: C9H20N2O
- Molecular Weight: 172.27
- MDL number: MFCD00042881
- EINECS: 214-696-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:52:48
What is 1,1,3,3-Tetraethylurea?
The Uses of 1,1,3,3-Tetraethylurea
1,1,3,3-Tetraethylurea is mainly used as surface active agent,intermediate of medical,pesticide,and high grade solvent etc.
The Uses of 1,1,3,3-Tetraethylurea
1,1,3,3-Tetraethylurea is a useful building block for organic synthesis.
Synthesis
A solution of 20.0 g (0.4 mol) of sodium hydroxide in 30 mL of water was added dropwise to a mixture of 8.7 g (0.1 mol) of morpholine, 50 mL of chloroform, and 50 mL of 50 % aqueous NMMO, heated to 50 °C. The mixture was stirred for 1 h at 50 °C, cooled, and treated with chloroform, and the extract was evaporated to get 1,1,3,3-Tetraethylurea. Yield 3.5 g (35 %)
Properties of 1,1,3,3-Tetraethylurea
| Melting point: | -20.15°C |
| Boiling point: | 211-213 °C(lit.) |
| Density | 0.907 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | 81°C |
| form | clear liquid |
| pka | -0?+-.0.70(Predicted) |
| color | Colorless to Almost colorless |
| BRN | 1763126 |
| Dielectric constant | 14.74 |
| CAS DataBase Reference | 1187-03-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Urea, tetraethyl-(1187-03-7) |
| EPA Substance Registry System | Urea, tetraethyl- (1187-03-7) |
Safety information for 1,1,3,3-Tetraethylurea
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for 1,1,3,3-Tetraethylurea
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