- InChI
- InChI=1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3
- InChI Key
- WVLBCYQITXONBZ-UHFFFAOYSA-N
- Formula
- C3H9O4P
- SMILES
- COP(=O)(OC)OC
- Molecular Weight1
- 140.07
- CAS
- 512-56-1
- Other Names
-
- (CH3O)3PO
- Methyl phosphate
- Methyl phosphate, (MeO)3PO
- NCI-C03781
- NSC 58985
- O,O,O-Trimethyl phosphate
- TMP
- TMPA
- TMPO
- Trimethoxyphosphine oxide
- Trimethyl orthophosphate
- Trimethyl phosphate
- Trimethylfosfat
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (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).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 890.60 | kJ/mol | NIST |
| BasG | 860.80 | kJ/mol | NIST |
| ΔvapH° | 47.50 | kJ/mol | NIST |
| IE | [9.99; 10.90] | eV |
|
| IE | 10.00 | eV | NIST |
| IE | 9.99 | eV | NIST |
| IE | 10.70 ± 0.10 | eV | NIST |
| IE | 10.77 ± 0.30 | eV | NIST |
| IE | 10.90 | eV | NIST |
| IE | 10.82 | eV | NIST |
| IE | 10.81 | eV | NIST |
| log10WS | -1.60 | Crippen Calculated Property | |
| logPoct/wat | 1.034 | Crippen Calculated Property | |
| McVol | 97.070 | ml/mol | McGowan Calculated Property |
| Inp | [894.00; 938.00] |
|
|
| Inp | 902.00 | NIST | |
| Inp | 894.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 928.00 | NIST | |
| Inp | 930.00 | NIST | |
| Inp | 932.00 | NIST | |
| Inp | 936.00 | NIST | |
| Inp | 938.00 | NIST | |
| Inp | 906.00 | NIST | |
| Inp | 902.00 | NIST | |
| Tboil | 468.21 | K | Estimat... |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [47.50; 48.80] | kJ/mol | [298.15; 381.00] |
|
| ΔvapH | 47.50 | kJ/mol | 298.15 | Measure... |
| ΔvapH | 48.80 | kJ/mol | 381.00 | NIST |
| ρl | [1186.80; 1217.10] | kg/m3 | [293.15; 323.15] |
|
|
T(K) Liquid Density (kg/m3) 1185 1190 1195 1200 1205 1210 1215 1220 300 310 320 | ||||
| ρl | 1217.10 | kg/m3 | 293.15 | Towards... |
| ρl | 1212.90 | kg/m3 | 298.15 | Towards... |
| ρl | 1207.80 | kg/m3 | 303.15 | Towards... |
| ρl | 1202.50 | kg/m3 | 308.15 | Towards... |
| ρl | 1198.00 | kg/m3 | 313.15 | Towards... |
| ρl | 1191.90 | kg/m3 | 318.15 | Towards... |
| ρl | 1186.80 | kg/m3 | 323.15 | Towards... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [344.04; 500.36] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.54274e+01 | |||
| Coefficient B | -4.76549e+03 | |||
| Coefficient C | -2.92720e+01 | |||
| Temperature range, min. | 344.04 | |||
| Temperature range, max. | 500.36 | |||
|
T(K) Vapor pressure (kPa) 0 50 100 150 200 350 400 450 500 | ||||
| Pvap | 1.33 | kPa | 344.04 | Calculated Property |
| Pvap | 2.94 | kPa | 361.41 | Calculated Property |
| Pvap | 6.00 | kPa | 378.78 | Calculated Property |
| Pvap | 11.45 | kPa | 396.15 | Calculated Property |
| Pvap | 20.60 | kPa | 413.52 | Calculated Property |
| Pvap | 35.22 | kPa | 430.88 | Calculated Property |
| Pvap | 57.59 | kPa | 448.25 | Calculated Property |
| Pvap | 90.57 | kPa | 465.62 | Calculated Property |
| Pvap | 137.59 | kPa | 482.99 | Calculated Property |
| Pvap | 202.65 | kPa | 500.36 | Calculated Property |
Similar Compounds
Find more compounds similar to Phosphoric acid, trimethyl ester.
Mixtures
- 1H-Imidazole, 1-methyl- + Phosphoric acid, trimethyl ester
- Phosphoric acid, trimethyl ester + Methyl Alcohol
- Ethanol + Phosphoric acid, trimethyl ester
- 1-Propanol + Phosphoric acid, trimethyl ester
- 1-Butanol + Phosphoric acid, trimethyl ester
Sources
- Crippen Method
- Crippen Method
- Towards understanding the effect of electrostatic interactions on the density of ionic liquids
- Measurement of enthalpies of vaporization of trialkyl phosphates using correlation gas chromatography
- Excess molar enthalpies for binary mixtures of trimethyl phosphate with alkanols {CH3(CH2)nOH, n = 0 3} at 298.15K
- Estimation of Normal Boiling points of Trialkyl Phosphates using Retention indices by Gas Chromatography
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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