- InChI
- InChI=1S/CH4O6S2/c2-8(3,4)1-9(5,6)7/h1H2,(H,2,3,4)(H,5,6,7)
- InChI Key
- OPUAWDUYWRUIIL-UHFFFAOYSA-N
- Formula
- CH4O6S2
- SMILES
- O=S(=O)(O)CS(=O)(=O)O
- Molecular Weight1
- 176.17
- CAS
- 503-40-2
- Other Names
-
- methanedisulphonic acid
- 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° | -1253.18 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -1275.13 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 29.28 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 88.45 | kJ/mol | Joback Calculated Property |
| log10WS | 0.97 | Crippen Calculated Property | |
| logPoct/wat | -1.280 | Crippen Calculated Property | |
| McVol | 92.870 | ml/mol | McGowan Calculated Property |
| Pc | 14872.10 | kPa | Joback Calculated Property |
| Tboil | 502.20 | K | Joback Calculated Property |
| Tc | 659.17 | K | Joback Calculated Property |
| Tfus | 299.79 | K | Joback Calculated Property |
| Vc | 0.382 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [193.15; 220.18] | J/mol×K | [502.20; 659.17] | 
|
| Cp,gas | 193.15 | J/mol×K | 502.20 | Joback Calculated Property |
| Cp,gas | 198.13 | J/mol×K | 528.36 | Joback Calculated Property |
| Cp,gas | 202.94 | J/mol×K | 554.52 | Joback Calculated Property |
| Cp,gas | 207.56 | J/mol×K | 580.69 | Joback Calculated Property |
| Cp,gas | 211.98 | J/mol×K | 606.85 | Joback Calculated Property |
| Cp,gas | 216.19 | J/mol×K | 633.01 | Joback Calculated Property |
| Cp,gas | 220.18 | J/mol×K | 659.17 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Methane disulfonic acid.
Sources
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