- InChI
- InChI=1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3
- InChI Key
- CYTQBVOFDCPGCX-UHFFFAOYSA-N
- Formula
- C3H9O3P
- SMILES
- COP(OC)OC
- Molecular Weight1
- 124.08
- CAS
- 121-45-9
- Other Names
-
- Methyl phosphite ((MeO)3P)
- NSC 6513
- P(OCH3)3
- Phosphorous acid, trimethyl ester
- Trimethoxyfosfin
- Trimethoxyphosphine
- Trimethyl ester of phosphorous acid
- Trimethylfosfit
- UN 2329
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- 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).
- Inp : Non-polar retention indices.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 929.70 | kJ/mol | NIST |
| BasG | 899.90 | kJ/mol | NIST |
| IE | [8.40; 9.40] | eV |
|
| IE | 8.40 | eV | NIST |
| IE | 8.40 | eV | NIST |
| IE | 8.50 | eV | NIST |
| IE | 9.21 | eV | NIST |
| IE | 8.40 | eV | NIST |
| IE | 9.00 ± 0.05 | eV | NIST |
| IE | 8.92 | eV | NIST |
| IE | 9.25 | eV | NIST |
| IE | 9.30 | eV | NIST |
| IE | 9.22 | eV | NIST |
| IE | 9.40 | eV | NIST |
| IE | 9.00 | eV | NIST |
| log10WS | 2.83 | Crippen Calculated Property | |
| logPoct/wat | 1.153 | Crippen Calculated Property | |
| McVol | 91.200 | ml/mol | McGowan Calculated Property |
| Inp | [688.00; 689.00] |
|
|
| Inp | 689.00 | NIST | |
| Inp | 688.00 | NIST |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [176.65; 214.53] | J/mol×K | [299.05; 348.05] |
|
| Cp,liquid | 176.65 | J/mol×K | 299.05 | Heat Ca... |
| Cp,liquid | 179.14 | J/mol×K | 302.10 | Heat Ca... |
| Cp,liquid | 180.68 | J/mol×K | 305.10 | Heat Ca... |
| Cp,liquid | 183.16 | J/mol×K | 308.15 | Heat Ca... |
| Cp,liquid | 183.86 | J/mol×K | 310.95 | Heat Ca... |
| Cp,liquid | 187.75 | J/mol×K | 313.75 | Heat Ca... |
| Cp,liquid | 188.67 | J/mol×K | 316.73 | Heat Ca... |
| Cp,liquid | 192.12 | J/mol×K | 319.69 | Heat Ca... |
| Cp,liquid | 194.20 | J/mol×K | 322.33 | Heat Ca... |
| Cp,liquid | 195.38 | J/mol×K | 325.90 | Heat Ca... |
| Cp,liquid | 196.91 | J/mol×K | 329.00 | Heat Ca... |
| Cp,liquid | 200.37 | J/mol×K | 331.35 | Heat Ca... |
| Cp,liquid | 202.37 | J/mol×K | 335.89 | Heat Ca... |
| Cp,liquid | 204.19 | J/mol×K | 337.70 | Heat Ca... |
| Cp,liquid | 207.44 | J/mol×K | 340.75 | Heat Ca... |
| Cp,liquid | 212.11 | J/mol×K | 343.73 | Heat Ca... |
| Cp,liquid | 214.53 | J/mol×K | 348.05 | Heat Ca... |
| ΔvapH | [32.80; 42.50] | kJ/mol | [322.00; 458.00] |
|
| ΔvapH | 42.50 | kJ/mol | 322.00 | NIST |
| ΔvapH | 32.80 | kJ/mol | 458.00 | NIST |
Similar Compounds
Find more compounds similar to Trimethyl phosphite.
Sources
- Crippen Method
- Crippen Method
- Heat Capacity and Enthalpy of Formation of Trimethyl Phosphite, 2-Chloromethylbenzonitrile, and 2-Dimethylphosphonomethylbenzonitrile
- McGowan Method
- NIST Webbook
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