- InChI
- InChI=1S/C3H7NO2/c1-2-6-3(4)5/h2H2,1H3,(H2,4,5)
- InChI Key
- JOYRKODLDBILNP-UHFFFAOYSA-N
- Formula
- C3H7NO2
- SMILES
- CCOC(N)=O
- Molecular Weight1
- 89.09
- CAS
- 51-79-6
- Other Names
-
- A 11032
- Aethylcarbamat
- Aethylurethan
- Carbamic acid, ethyl ester
- Carbamidsaeure-aethylester
- ETHYL CARBAMATE
- Estane 5703
- Ethyl ester of carbamic acid
- Ethyl urethan
- Ethyl urethane
- Ethylester kyseliny karbaminove
- LEUCETHANE
- Leucothane
- NH2COOC2H5
- NSC 746
- O-ETHYLURETHANE
- Pracarbamin
- Pracarbamine
- Rcra waste number U238
- U-Compound
- Uretan
- Uretan etylowy
- Urethan
- X 41
- ethyl aminoformate
- ethylurethane
- o-ethyl carbamate
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid 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).
- 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).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- 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).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- 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 | -1663.80 | kJ/mol | NIST |
| ΔfG° | -193.09 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -446.30 | kJ/mol | NIST |
| ΔfH°liquid | -497.30 | kJ/mol | NIST |
| ΔfH°solid | -517.10 | kJ/mol | NIST |
| ΔfusH° | 11.51 | kJ/mol | Joback Calculated Property |
| ΔsubH° | 76.30 | kJ/mol | NIST |
| ΔvapH° | 51.00 ± 2.50 | kJ/mol | NIST |
| IE | [10.20; 10.62] | eV |
|
| IE | 10.20 | eV | NIST |
| IE | 10.62 | eV | NIST |
| log10WS | [0.85; 0.85] |
|
|
| log10WS | 0.85 | Aq. Sol... | |
| log10WS | 0.85 | Estimat... | |
| logPoct/wat | 0.102 | Crippen Calculated Property | |
| McVol | 70.550 | ml/mol | McGowan Calculated Property |
| Pc | 5080.25 | kPa | Joback Calculated Property |
| Inp | 838.00 | NIST | |
| Tboil | [456.20; 458.40] | K |
|
| Tboil | 458.40 | K | KDB |
| Tboil | 456.20 | K | NIST |
| Tboil | 458.40 ± 0.60 | K | NIST |
| Tc | 613.38 | K | Joback Calculated Property |
| Tfus | [321.34; 321.90] | K |
|
| Tfus | 321.34 | K | KDB |
| Tfus | 321.90 | K | Aq. Sol... |
| Ttriple | 321.41 ± 0.02 | K | NIST |
| Vc | 0.257 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [136.41; 172.18] | J/mol×K | [416.86; 613.38] |
|
|
T(K) Ideal gas heat capacity (J/mol×K) 140 150 160 170 450 500 550 600 | ||||
| Cp,gas | 136.41 | J/mol×K | 416.86 | Joback Calculated Property |
| Cp,gas | 142.88 | J/mol×K | 449.61 | Joback Calculated Property |
| Cp,gas | 149.16 | J/mol×K | 482.37 | Joback Calculated Property |
| Cp,gas | 155.23 | J/mol×K | 515.12 | Joback Calculated Property |
| Cp,gas | 161.10 | J/mol×K | 547.87 | Joback Calculated Property |
| Cp,gas | 166.75 | J/mol×K | 580.63 | Joback Calculated Property |
| Cp,gas | 172.18 | J/mol×K | 613.38 | Joback Calculated Property |
| Cp,solid | 156.43 | J/mol×K | 300.00 | NIST |
| ΔfusH | [15.23; 20.90] | kJ/mol | [321.41; 321.90] |
|
| ΔfusH | 16.79 | kJ/mol | 321.41 | NIST |
| ΔfusH | 20.90 | kJ/mol | 321.70 | NIST |
| ΔfusH | 15.23 | kJ/mol | 321.90 | NIST |
| ΔsubH | [71.90; 89.10] | kJ/mol | [264.50; 322.00] |
|
| ΔsubH | 77.70 | kJ/mol | 264.50 | NIST |
| ΔsubH | 89.10 ± 0.80 | kJ/mol | 299.50 | NIST |
| ΔsubH | 71.90 | kJ/mol | 322.00 | NIST |
| ΔvapH | [56.60; 77.70] | kJ/mol | [298.15; 397.50] |
|
| ΔvapH | 77.70 | kJ/mol | 298.15 | The ent... |
| ΔvapH | 56.60 | kJ/mol | 397.50 | NIST |
| Pvap | [0.88; 2.95] | kPa | [322.60; 371.70] |
|
|
T(K) Vapor pressure (kPa) 1 1.5 2 2.5 3 340 360 | ||||
| Pvap | 0.88 | kPa | 322.60 | Vapor-L... |
| Pvap | 1.29 | kPa | 337.20 | Vapor-L... |
| Pvap | 1.49 | kPa | 342.30 | Vapor-L... |
| Pvap | 1.96 | kPa | 352.50 | Vapor-L... |
| Pvap | 2.38 | kPa | 362.60 | Vapor-L... |
| Pvap | 2.95 | kPa | 371.70 | Vapor-L... |
| ΔfusS | [52.25; 64.80] | J/mol×K | [321.41; 321.70] |
|
| ΔfusS | 52.25 | J/mol×K | 321.41 | NIST |
| ΔfusS | 64.80 | J/mol×K | 321.70 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.62; 101.21] | kPa | [338.15; 457.15] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 9.20583e+01 | |||
| Coefficient B | -1.00894e+04 | |||
| Coefficient C | -1.08907e+01 | |||
| Coefficient D | 6.38522e-06 | |||
| Temperature range, min. | 338.15 | |||
| Temperature range, max. | 457.15 | |||
|
T(K) Vapor pressure (kPa) 0 20 40 60 80 100 350 400 450 | ||||
| Pvap | 0.62 | kPa | 338.15 | Calculated Property |
| Pvap | 1.34 | kPa | 351.37 | Calculated Property |
| Pvap | 2.70 | kPa | 364.59 | Calculated Property |
| Pvap | 5.13 | kPa | 377.82 | Calculated Property |
| Pvap | 9.29 | kPa | 391.04 | Calculated Property |
| Pvap | 16.09 | kPa | 404.26 | Calculated Property |
| Pvap | 26.77 | kPa | 417.48 | Calculated Property |
| Pvap | 43.00 | kPa | 430.71 | Calculated Property |
| Pvap | 66.91 | kPa | 443.93 | Calculated Property |
| Pvap | 101.21 | kPa | 457.15 | Calculated Property |
Similar Compounds
Find more compounds similar to Urethane.
Mixtures
Sources
- KDB Vapor Pressure Data
- Crippen Method
- The enthalpies of formation of alkyl carbamates: Experimental and computational redetermination
- Vapor-Liquid Equilibrium Studies for Systems Containing n-Butylisocyanate at Temperatures between 323.15 K and 371.15 K
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- McGowan Method
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.