- InChI
- InChI=1S/C9H20N2O/c1-5-10(6-2)9(12)11(7-3)8-4/h5-8H2,1-4H3
- InChI Key
- UWHSPZZUAYSGTB-UHFFFAOYSA-N
- Formula
- C9H20N2O
- SMILES
- CCN(CC)C(=O)N(CC)CC
- Molecular Weight1
- 172.27
- CAS
- 1187-03-7
- Other Names
-
- Tetraethylurea
- 1,1,3,3-Tetraethylurea
- Urea, 1,1,3,3-tetraethyl-
- N,N,N',N'-Tetraethylurea
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔcH°liquid | [-6019.90; -5845.90] | kJ/mol |
|
| ΔcH°liquid | -6019.90 ± 4.80 | kJ/mol | NIST |
| ΔcH°liquid | -5845.90 ± 5.90 | kJ/mol | NIST |
| ΔfG° | 117.54 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -316.40 ± 5.00 | kJ/mol | NIST |
| ΔfH°liquid | [-554.00; -380.00] | kJ/mol |
|
| ΔfH°liquid | -380.00 ± 5.00 | kJ/mol | NIST |
| ΔfH°liquid | -554.00 ± 5.90 | kJ/mol | NIST |
| ΔfusH° | 26.71 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 46.46 | kJ/mol | Joback Calculated Property |
| log10WS | -1.48 | Crippen Calculated Property | |
| logPoct/wat | 1.790 | Crippen Calculated Property | |
| McVol | 159.200 | ml/mol | McGowan Calculated Property |
| Pc | 2443.48 | kPa | Joback Calculated Property |
| Tboil | 482.00 ± 0.00 | K | NIST |
| Tc | 654.92 | K | Joback Calculated Property |
| Tfus | 306.06 | K | Joback Calculated Property |
| Ttriple | 239.70 ± 0.10 | K | NIST |
| Vc | 0.582 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [363.64; 444.18] | J/mol×K | [484.07; 654.92] |
|
| Cp,gas | 363.64 | J/mol×K | 484.07 | Joback Calculated Property |
| Cp,gas | 378.71 | J/mol×K | 512.54 | Joback Calculated Property |
| Cp,gas | 393.09 | J/mol×K | 541.02 | Joback Calculated Property |
| Cp,gas | 406.80 | J/mol×K | 569.49 | Joback Calculated Property |
| Cp,gas | 419.87 | J/mol×K | 597.97 | Joback Calculated Property |
| Cp,gas | 432.33 | J/mol×K | 626.44 | Joback Calculated Property |
| Cp,gas | 444.18 | J/mol×K | 654.92 | Joback Calculated Property |
| Cp,liquid | 355.60 | J/mol×K | 298.15 | NIST |
| ΔfusH | [20.55; 20.55] | kJ/mol | [253.00; 253.00] |
|
| ΔfusH | 20.55 | kJ/mol | 253.00 | NIST |
| ΔfusH | 20.55 | kJ/mol | 253.00 | NIST |
| ΔvapH | 63.61 ± 0.55 | kJ/mol | 323.30 | NIST |
Similar Compounds
Find more compounds similar to Urea, tetraethyl-.
Sources
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