- InChI
- InChI=1S/CH2O/c1-2/h1-2H
- InChI Key
- UUOIGPDTLYBNGY-UHFFFAOYSA-N
- Formula
- CH2O
- SMILES
- [CH]O
- Molecular Weight1
- 30.03
- CAS
- 19710-56-6
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (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).
- 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 | 0.4891 | Relay (... Calculated Property | |
| PAff | 965.90 | kJ/mol | NIST |
| BasG | 933.40 | kJ/mol | NIST |
| ΔfG° | -81.01 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -113.65 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 34.23 | kJ/mol | Relay (... Calculated Property |
| IE | 9.30 | eV | Relay (... Calculated Property |
| log10WS | 1.03 | Relay (... Calculated Property | |
| logPoct/wat | 0.027 | Crippen Calculated Property | |
| McVol | 26.520 | ml/mol | McGowan Calculated Property |
| Pc | 13697.42 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 327.91 | K | Relay (... Calculated Property |
| Tc | 644.75 | K | Relay (... Calculated Property |
| Tfus | 172.77 | K | Relay (... Calculated Property |
| Vc | 0.120 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to HCOH (hydroxymethylene).
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) ⚠️ Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- McGowan Method
- NIST Webbook
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