This page provides supplementary chemical data on carbon monoxide.
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Material safety data sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the material safety data sheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.
- MSDS from Advanced Gas Technologies[permanent dead link] in the SDSdata.org database
Structure and properties
| Structure and properties | |
|---|---|
| Index of refraction, nD | 1.0003364 |
| Abbe number | ? |
| Dielectric constant, εr | ? ε0 at ? °C |
| Bond strength | 1850 N/m |
| Bond length | 0.111 nm |
| Bond energy | 1079 kJ/mol |
| Bond angle | Linear |
| Magnetic susceptibility | ? |
Thermodynamic properties
| Phase behavior | |
|---|---|
| Triple point | 67.9 K (−205.1 °C), 15.35 kPa |
| Critical point | 132.7 K (−140.3 °C), 3498 kPa, 11.1 mol/L (3.1×102 kg/m3) |
| Std enthalpy changeof fusion, ΔfusHo | ? kJ/mol |
| Std entropy changeof fusion, ΔfusSo | ? J/(mol K) |
| Std enthalpy changeof vaporization, ΔvapHo | ? kJ/mol |
| Std entropy changeof vaporization, ΔvapSo | ? J/(mol K) |
| Std enthalpy changeof sublimation, ΔsubHo | 8 kJ/mol (at 51–68 K) |
| Std entropy changeof sublimation, ΔsubSo | ? J/(mol·K) |
| Solid properties | |
| Std enthalpy changeof formation, ΔfHosolid | −110.5 kJ/mol |
| Standard molar entropy,Sosolid | ? J/(mol K) |
| Heat capacity, cp | ? J/(mol K) |
| Liquid properties | |
| Std enthalpy changeof formation, ΔfHoliquid | ? kJ/mol |
| Standard molar entropy,Soliquid | ? J/(mol K) |
| Heat capacity, cp | ? J/(mol K) |
| Gas properties | |
| Std enthalpy changeof formation, ΔfHogas | −110.53 kJ/mol |
| Std enthalpy changeof combustion, ΔcHogas | −283.0 kJ/mol |
| Standard molar entropy,Sogas | 197.66 J/(mol K) |
| Heat capacity, cp | 29 J/(mol K) |
Spectral data
| UV-Vis | |
|---|---|
| λmax | 55 nm |
| Extinction coefficient, ε | ? |
| IR | |
| Major absorption bands | 2143 cm−1 |
| 13CO | 2099.2 ± 4 cm−1 |
| NMR | |
| Proton NMR | |
| Carbon-13 NMR | |
| Other NMR data | |
| MS | |
| Masses of main fragments | |
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- Except where noted otherwise, data relate to Standard temperature and pressure.
- Reliability of data general note.