- InChI
- InChI=1S/C5H13O3P/c1-4-7-9(3,6)8-5-2/h4-5H2,1-3H3
- InChI Key
- NYYLZXREFNYPKB-UHFFFAOYSA-N
- Formula
- C5H13O3P
- SMILES
- CCOP(C)(=O)OCC
- Molecular Weight1
- 152.13
- CAS
- 683-08-9
- Other Names
-
- DEMP
- Diethoxymethylphosphine oxide
- Methylphosphonic acid, diethyl ester
- O,O-diethyl methylphosphonate
- diethyl methylphosphonate
- phosphonic acid, methyl-, diethyl ester
- 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).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔvapH° | 55.90 | kJ/mol | NIST |
| log10WS | -2.36 | Crippen Calculated Property | |
| logPoct/wat | 1.882 | Crippen Calculated Property | |
| McVol | 119.380 | ml/mol | McGowan Calculated Property |
| Inp | [975.00; 1015.10] |
|
|
| Inp | 975.00 | NIST | |
| Inp | 1006.50 | NIST | |
| Inp | 1015.00 | NIST | |
| Inp | 975.00 | NIST | |
| Inp | 1006.50 | NIST | |
| Inp | 975.00 | NIST | |
| Inp | 1015.10 | NIST | |
| Inp | 1015.00 | NIST |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [51.20; 60.60] | kJ/mol | [359.00; 372.50] |
|
| ΔvapH | 60.60 | kJ/mol | 359.00 | NIST |
| ΔvapH | 57.20 | kJ/mol | 359.00 | NIST |
| ΔvapH | 54.70 | kJ/mol | 359.00 | NIST |
| ΔvapH | 53.40 | kJ/mol | 359.00 | NIST |
| ΔvapH | 51.20 | kJ/mol | 359.00 | NIST |
| ΔvapH | 51.80 | kJ/mol | 372.50 | NIST |
| Pvap | [8.62e-04; 101.40] | kPa | [253.20; 465.90] |
|
| Pvap | 8.62e-04 | kPa | 253.20 | Vapor P... |
| Pvap | 2.56e-03 | kPa | 263.20 | Vapor P... |
| Pvap | 6.88e-03 | kPa | 273.20 | Vapor P... |
| Pvap | 0.02 | kPa | 283.20 | Vapor P... |
| Pvap | 0.04 | kPa | 293.20 | Vapor P... |
| Pvap | 0.15 | kPa | 316.80 | Vapor P... |
| Pvap | 0.19 | kPa | 318.90 | Vapor P... |
| Pvap | 0.23 | kPa | 321.10 | Vapor P... |
| Pvap | 0.25 | kPa | 322.20 | Vapor P... |
| Pvap | 0.28 | kPa | 324.70 | Vapor P... |
| Pvap | 0.36 | kPa | 327.30 | Vapor P... |
| Pvap | 0.47 | kPa | 331.10 | Vapor P... |
| Pvap | 0.64 | kPa | 335.20 | Vapor P... |
| Pvap | 0.80 | kPa | 339.80 | Vapor P... |
| Pvap | 0.96 | kPa | 343.30 | Vapor P... |
| Pvap | 1.17 | kPa | 346.40 | Vapor P... |
| Pvap | 1.66 | kPa | 353.30 | Vapor P... |
| Pvap | 2.36 | kPa | 359.40 | Vapor P... |
| Pvap | 4.00 | kPa | 370.30 | Vapor P... |
| Pvap | 6.64 | kPa | 382.60 | Vapor P... |
| Pvap | 12.01 | kPa | 397.30 | Vapor P... |
| Pvap | 20.03 | kPa | 411.00 | Vapor P... |
| Pvap | 40.05 | kPa | 433.30 | Vapor P... |
| Pvap | 101.40 | kPa | 465.90 | Vapor P... |
Similar Compounds
Find more compounds similar to Diethyl methanephosphonate.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Experimental Determination of the Solubilities of CO2 and CH4 in Diethyl Methylphosphonate
- Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
- McGowan Method
- NIST Webbook
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