- InChI
- InChI=1S/C5H12N2O/c1-3-6-5(8)7-4-2/h3-4H2,1-2H3,(H2,6,7,8)
- InChI Key
- ZWAVGZYKJNOTPX-UHFFFAOYSA-N
- Formula
- C5H12N2O
- SMILES
- CCNC(=O)NCC
- Molecular Weight1
- 116.16
- CAS
- 623-76-7
- Other Names
-
- 1,3-diethylurea
- N,N'-diethylurea
- sym-Diethylurea
- sym-N,N'-Diethylurea
- urea, 1,3-diethyl-
- 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 standard conditions (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).
- Psub : Sublimation 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 | -3302.80 ± 1.70 | kJ/mol | NIST |
| ΔfG° | 41.08 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -282.90 ± 2.10 | kJ/mol | NIST |
| ΔfH°solid | -379.80 ± 1.80 | kJ/mol | NIST |
| ΔfusH° | 20.50 | kJ/mol | Joback Calculated Property |
| ΔsubH° | 95.40 ± 0.30 | kJ/mol | NIST |
| ΔvapH° | 46.34 | kJ/mol | Joback Calculated Property |
| log10WS | -1.05 | Crippen Calculated Property | |
| logPoct/wat | 0.325 | Crippen Calculated Property | |
| McVol | 102.840 | ml/mol | McGowan Calculated Property |
| Pc | 3862.67 | kPa | Joback Calculated Property |
| Tboil | 536.20 | K | NIST |
| Tc | 654.81 | K | Joback Calculated Property |
| Tfus | 383.40 ± 0.50 | K | NIST |
| Ttriple | 385.00 ± 0.00 | K | NIST |
| Vc | 0.392 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [220.22; 275.13] | J/mol×K | [468.01; 654.81] | 
|
| Cp,gas | 220.22 | J/mol×K | 468.01 | Joback Calculated Property |
| Cp,gas | 230.48 | J/mol×K | 499.14 | Joback Calculated Property |
| Cp,gas | 240.29 | J/mol×K | 530.28 | Joback Calculated Property |
| Cp,gas | 249.64 | J/mol×K | 561.41 | Joback Calculated Property |
| Cp,gas | 258.56 | J/mol×K | 592.54 | Joback Calculated Property |
| Cp,gas | 267.05 | J/mol×K | 623.68 | Joback Calculated Property |
| Cp,gas | 275.13 | J/mol×K | 654.81 | Joback Calculated Property |
| ΔfusH | [12.46; 12.46] | kJ/mol | [383.40; 383.40] |
|
| ΔfusH | 12.46 | kJ/mol | 383.40 | NIST |
| ΔfusH | 12.46 | kJ/mol | 383.40 | NIST |
| ΔsubH | [91.80; 96.90] | kJ/mol | [350.00; 354.00] |
|
| ΔsubH | 95.60 ± 0.60 | kJ/mol | 350.00 | NIST |
| ΔsubH | 96.80 ± 0.90 | kJ/mol | 350.00 | NIST |
| ΔsubH | 91.80 ± 0.90 | kJ/mol | 353.50 | NIST |
| ΔsubH | 92.30 ± 0.90 | kJ/mol | 353.50 | NIST |
| ΔsubH | 96.90 ± 0.90 | kJ/mol | 354.00 | NIST |
| Psub | [2.05e-03; 0.04] | kPa | [343.10; 379.20] |
|
| Psub | 2.05e-03 | kPa | 343.10 | Measure... |
| Psub | 2.70e-03 | kPa | 346.20 | Measure... |
| Psub | 3.53e-03 | kPa | 349.20 | Measure... |
| Psub | 4.76e-03 | kPa | 352.30 | Measure... |
| Psub | 6.17e-03 | kPa | 355.20 | Measure... |
| Psub | 7.83e-03 | kPa | 358.20 | Measure... |
| Psub | 8.50e-03 | kPa | 359.60 | Measure... |
| Psub | 0.01 | kPa | 361.20 | Measure... |
| Psub | 0.01 | kPa | 364.20 | Measure... |
| Psub | 0.01 | kPa | 365.70 | Measure... |
| Psub | 0.02 | kPa | 367.20 | Measure... |
| Psub | 0.02 | kPa | 370.10 | Measure... |
| Psub | 0.03 | kPa | 373.20 | Measure... |
| Psub | 0.03 | kPa | 374.60 | Measure... |
| Psub | 0.03 | kPa | 376.20 | Measure... |
| Psub | 0.04 | kPa | 379.20 | Measure... |
| ΔfusS | 32.50 | J/mol×K | 383.40 | NIST |
Similar Compounds
Find more compounds similar to Urea, N,N'-diethyl-.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Densimetric and ultrasonic characterization of urea and its derivatives in water
- Measurement and Prediction of Thermochemical Properties: Improved Increments for the Estimation of Enthalpies of Sublimation and Standard Enthalpies of Formation of Alkyl Derivatives of Urea
- Joback Method
- McGowan Method
- NIST Webbook
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