- InChI
- InChI=1S/CH2O/c1-2/h1H2/i1D
- InChI Key
- WSFSSNUMVMOOMR-MICDWDOJSA-N
- Formula
- CH2O
- SMILES
- [2H]C=O
- Molecular Weight1
- 31.03
- CAS
- 1664-99-9
- 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).
- IE : Ionization energy (eV).
- 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 |
|---|---|---|---|
| ω | 0.1907 | Relay (1.0) Calculated Property | |
| ΔfG° | -89.60 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -192.87 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 2.32 | kJ/mol | Joback Calculated Property |
| IE | 11.19 | eV | Relay (1.0) Calculated Property |
| logPoct/wat | -0.185 | Crippen Calculated Property | |
| McVol | 26.520 | ml/mol | McGowan Calculated Property |
| Pc | 6631.37 | kPa | Joback Calculated Property |
| Tboil | 257.52 | K | Relay (1.0) Calculated Property |
| Tc | 568.57 | K | Relay (1.0) Calculated Property |
| Tfus | 142.95 | K | Relay (1.0) Calculated Property |
| Vc | 0.119 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Enthalpy of vaporization at standard conditions, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [26.09; 45.57] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | -7.03000e+00 | |||
| Coefficient B | 1.76400e-01 | |||
| Coefficient C | -2.31000e-04 | |||
| Coefficient D | 1.07200e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 26.09 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 31.21 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 34.80 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 37.20 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 38.75 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 39.78 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 40.64 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 41.67 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 43.20 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 45.57 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0001874; 0.0001219] | Pa×s | [159.40; 305.76] |
Joback Predicted correlation
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -9.47998e+00 | |||
| Coefficient B | 1.43100e+02 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc. | |||
| Temperature range, min. | 159.40 | |||
| Temperature range, max. | 305.76 | |||
| η | 0.0001874 | Pa×s | 159.40 | Calculated Property |
| η | 0.0001725 | Pa×s | 175.66 | Calculated Property |
| η | 0.0001610 | Pa×s | 191.92 | Calculated Property |
| η | 0.0001519 | Pa×s | 208.19 | Calculated Property |
| η | 0.0001445 | Pa×s | 224.45 | Calculated Property |
| η | 0.0001384 | Pa×s | 240.71 | Calculated Property |
| η | 0.0001333 | Pa×s | 256.97 | Calculated Property |
| η | 0.0001289 | Pa×s | 273.24 | Calculated Property |
| η | 0.0001252 | Pa×s | 289.50 | Calculated Property |
| η | 0.0001219 | Pa×s | 305.76 | Calculated Property |
Similar Compounds
Find more compounds similar to methanal-d.
Sources
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