- InChI
- InChI=1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
- InChI Key
- AFVFQIVMOAPDHO-UHFFFAOYSA-N
- Formula
- CH4O3S
- SMILES
- CS(=O)(=O)O
- Molecular Weight1
- 96.11
- CAS
- 75-75-2
- Other Names
-
- Methanesulphonic acid
- Methylsulfonic acid
- Kyselina methansulfonova
- CH3SO3H
- NSC 3718
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- 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).
- ΔvapH : Enthalpy of vaporization at a given temperature (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 |
|---|---|---|---|
| PAff | 761.30 | kJ/mol | NIST |
| BasG | 728.90 | kJ/mol | NIST |
| ΔfG° | -647.82 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -669.55 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 13.81 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 53.13 | kJ/mol | Joback Calculated Property |
| log10WS | 0.61 | Crippen Calculated Property | |
| logPoct/wat | -0.496 | Crippen Calculated Property | |
| McVol | 58.910 | ml/mol | McGowan Calculated Property |
| Pc | 8783.57 | kPa | Joback Calculated Property |
| Tboil | 362.24 | K | Joback Calculated Property |
| Tc | 523.75 | K | Joback Calculated Property |
| Tfus | 200.41 | K | Joback Calculated Property |
| Vc | 0.236 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [98.89; 121.36] | J/mol×K | [362.24; 523.75] | 
|
| Cp,gas | 98.89 | J/mol×K | 362.24 | Joback Calculated Property |
| Cp,gas | 102.86 | J/mol×K | 389.16 | Joback Calculated Property |
| Cp,gas | 106.75 | J/mol×K | 416.08 | Joback Calculated Property |
| Cp,gas | 110.55 | J/mol×K | 442.99 | Joback Calculated Property |
| Cp,gas | 114.26 | J/mol×K | 469.91 | Joback Calculated Property |
| Cp,gas | 117.86 | J/mol×K | 496.83 | Joback Calculated Property |
| Cp,gas | 121.36 | J/mol×K | 523.75 | Joback Calculated Property |
| ΔvapH | 73.90 | kJ/mol | 417.50 | NIST |
Similar Compounds
Find more compounds similar to Methanesulfonic acid.
Sources
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