- InChI
- InChI=1S/C2H2O/c1-2-3/h1,3H
- InChI Key
- QFXZANXYUCUTQH-UHFFFAOYSA-N
- Formula
- C2H2O
- SMILES
- C#CO
- Molecular Weight1
- 42.04
- CAS
- 32038-79-2
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- 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).
- Tboil : Normal Boiling Point Temperature (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 |
|---|---|---|---|
| ΔfG° | 52.21 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 41.60 | kJ/mol | NIST |
| ΔfusH° | 8.00 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 36.58 | kJ/mol | Joback Calculated Property |
| log10WS | -0.07 | Crippen Calculated Property | |
| logPoct/wat | -0.050 | Crippen Calculated Property | |
| McVol | 36.310 | ml/mol | McGowan Calculated Property |
| Pc | 7305.14 | kPa | Joback Calculated Property |
| Tboil | 327.46 | K | Joback Calculated Property |
| Tc | 500.83 | K | Joback Calculated Property |
| Tfus | 220.09 | K | Joback Calculated Property |
| Vc | 0.129 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [53.48; 64.40] | J/mol×K | [327.46; 500.83] | 
|
| Cp,gas | 53.48 | J/mol×K | 327.46 | Joback Calculated Property |
| Cp,gas | 55.56 | J/mol×K | 356.36 | Joback Calculated Property |
| Cp,gas | 57.53 | J/mol×K | 385.25 | Joback Calculated Property |
| Cp,gas | 59.40 | J/mol×K | 414.15 | Joback Calculated Property |
| Cp,gas | 61.16 | J/mol×K | 443.04 | Joback Calculated Property |
| Cp,gas | 62.82 | J/mol×K | 471.94 | Joback Calculated Property |
| Cp,gas | 64.40 | J/mol×K | 500.83 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Ethynol.
Sources
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