- InChI
- InChI=1S/C3H6O3/c1-6-2-3(4)5/h2H2,1H3,(H,4,5)
- InChI Key
- RMIODHQZRUFFFF-UHFFFAOYSA-N
- Formula
- C3H6O3
- SMILES
- COCC(=O)O
- Molecular Weight1
- 90.08
- CAS
- 625-45-6
- Other Names
-
- 2-Methoxyacetic acid
- CH3OCH2COOH
- Methoxyacetic acid
- Methoxyethanoic acid
- ω : Acentric Factor.
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (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).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (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 |
|---|---|---|---|
| ω | 0.6266 | Relay (1.0) Calculated Property | |
| ΔfG° | -396.36 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -554.46 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 10.40 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 57.47 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 9.90 | eV | Relay (1.0) Calculated Property |
| log10WS | 1.20 | Relay (1.0) Calculated Property | |
| logPoct/wat | -0.283 | Crippen Calculated Property | |
| McVol | 66.440 | ml/mol | McGowan Calculated Property |
| Pc | 5343.52 | kPa | Joback Calculated Property |
| Tboil | 476.70 | K | NIST |
| Tc | 634.46 | K | Relay (1.0) Calculated Property |
| Tfus | 314.53 | K | Relay (1.0) Calculated Property |
| Vc | 0.230 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [129.32; 158.17] | J/mol×K | [436.51; 611.34] | 
|
| Cp,gas | 129.32 | J/mol×K | 436.51 | Joback Calculated Property |
| Cp,gas | 134.49 | J/mol×K | 465.65 | Joback Calculated Property |
| Cp,gas | 139.52 | J/mol×K | 494.79 | Joback Calculated Property |
| Cp,gas | 144.41 | J/mol×K | 523.92 | Joback Calculated Property |
| Cp,gas | 149.15 | J/mol×K | 553.06 | Joback Calculated Property |
| Cp,gas | 153.74 | J/mol×K | 582.20 | Joback Calculated Property |
| Cp,gas | 158.17 | J/mol×K | 611.34 | Joback Calculated Property |
| η | [0.0002559; 0.0190072] | Pa×s | [256.55; 436.51] |
|
| η | 0.0190072 | Pa×s | 256.55 | Joback Calculated Property |
| η | 0.0063665 | Pa×s | 286.54 | Joback Calculated Property |
| η | 0.0026236 | Pa×s | 316.54 | Joback Calculated Property |
| η | 0.0012605 | Pa×s | 346.53 | Joback Calculated Property |
| η | 0.0006806 | Pa×s | 376.52 | Joback Calculated Property |
| η | 0.0004025 | Pa×s | 406.52 | Joback Calculated Property |
| η | 0.0002559 | Pa×s | 436.51 | Joback Calculated Property |
| ΔvapH | 54.50 | kJ/mol | 401.00 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 369.20 | K | 1.70 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 213.48] | kPa | [368.71; 504.35] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.57677e+01 | |||
| Coefficient B | -4.30386e+03 | |||
| Coefficient C | -9.06830e+01 | |||
| Temperature range, min. | 368.71 | |||
| Temperature range, max. | 504.35 | |||
| Pvap | 1.33 | kPa | 368.71 | Calculated Property |
| Pvap | 2.96 | kPa | 383.78 | Calculated Property |
| Pvap | 6.06 | kPa | 398.85 | Calculated Property |
| Pvap | 11.62 | kPa | 413.92 | Calculated Property |
| Pvap | 21.03 | kPa | 428.99 | Calculated Property |
| Pvap | 36.19 | kPa | 444.07 | Calculated Property |
| Pvap | 59.55 | kPa | 459.14 | Calculated Property |
| Pvap | 94.24 | kPa | 474.21 | Calculated Property |
| Pvap | 144.05 | kPa | 489.28 | Calculated Property |
| Pvap | 213.48 | kPa | 504.35 | Calculated Property |
Similar Compounds
Find more compounds similar to Acetic acid, methoxy-.
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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