- InChI
- InChI=1S/C3H8N2O/c1-2-5-3(4)6/h2H2,1H3,(H3,4,5,6)
- InChI Key
- RYECOJGRJDOGPP-UHFFFAOYSA-N
- Formula
- C3H8N2O
- SMILES
- CCNC(N)=O
- Molecular Weight1
- 88.11
- CAS
- 625-52-5
- Other Names
-
- 1-Ethylurea
- N-Ethylurea
- Urea, 1-ethyl-
- ethylurea
- monoethylurea
- urea, monoethyl-
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas 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°solid : Solid 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).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (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).
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- 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°solid | [-1976.00; -1966.10] | kJ/mol |
|
| ΔcH°solid | -1966.10 ± 0.61 | kJ/mol | NIST |
| ΔcH°solid | -1976.00 | kJ/mol | NIST |
| ΔfG° | 1.30 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -257.50 ± 1.00 | kJ/mol | NIST |
| ΔfH°solid | [-357.76; -340.00] | kJ/mol |
|
| ΔfH°solid | -357.76 ± 0.74 | kJ/mol | NIST |
| ΔfH°solid | -340.00 | kJ/mol | NIST |
| ΔfusH° | 15.42 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 46.09 | kJ/mol | Joback Calculated Property |
| log10WS | -0.45 | Crippen Calculated Property | |
| logPoct/wat | -0.325 | Crippen Calculated Property | |
| McVol | 74.660 | ml/mol | McGowan Calculated Property |
| Pc | 5304.68 | kPa | Joback Calculated Property |
| Tboil | 444.61 | K | Joback Calculated Property |
| Tc | 645.43 | K | Joback Calculated Property |
| Tfus | 367.80 ± 0.50 | K | NIST |
| Ttriple | [365.00; 368.90] | K |
|
| Ttriple | 368.90 ± 0.50 | K | NIST |
| Ttriple | 365.00 ± 0.00 | K | NIST |
| Vc | 0.274 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [151.37; 191.61] | J/mol×K | [444.61; 645.43] |
|
| Cp,gas | 151.37 | J/mol×K | 444.61 | Joback Calculated Property |
| Cp,gas | 158.94 | J/mol×K | 478.08 | Joback Calculated Property |
| Cp,gas | 166.16 | J/mol×K | 511.55 | Joback Calculated Property |
| Cp,gas | 173.02 | J/mol×K | 545.02 | Joback Calculated Property |
| Cp,gas | 179.55 | J/mol×K | 578.49 | Joback Calculated Property |
| Cp,gas | 185.74 | J/mol×K | 611.96 | Joback Calculated Property |
| Cp,gas | 191.61 | J/mol×K | 645.43 | Joback Calculated Property |
| ΔfusH | [9.60; 14.65] | kJ/mol | [356.70; 368.90] |
|
| ΔfusH | 9.60 | kJ/mol | 356.70 | NIST |
| ΔfusH | 14.39 | kJ/mol | 365.10 | NIST |
| ΔfusH | 14.39 | kJ/mol | 365.10 | NIST |
| ΔfusH | 13.94 | kJ/mol | 367.80 | NIST |
| ΔfusH | 13.90 | kJ/mol | 367.80 | NIST |
| ΔfusH | 14.65 | kJ/mol | 368.90 | NIST |
| ΔsubH | [91.80; 100.30] | kJ/mol | [337.00; 350.00] |
|
| ΔsubH | 100.30 ± 0.70 | kJ/mol | 337.00 | NIST |
| ΔsubH | 98.10 ± 1.10 | kJ/mol | 343.50 | NIST |
| ΔsubH | 97.80 ± 1.10 | kJ/mol | 343.50 | NIST |
| ΔsubH | 91.80 ± 1.20 | kJ/mol | 349.00 | NIST |
| ΔsubH | 96.40 ± 1.10 | kJ/mol | 350.00 | NIST |
| ΔfusS | 37.90 | J/mol×K | 367.80 | NIST |
Similar Compounds
Find more compounds similar to Urea, ethyl-.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Densimetric and ultrasonic characterization of urea and its derivatives in water
- Joback Method
- McGowan Method
- NIST Webbook
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