- InChI
- InChI=1S/O3S/c1-4(2)3
- InChI Key
- AKEJUJNQAAGONA-UHFFFAOYSA-N
- Formula
- O3S
- SMILES
- O=S(=O)=O
- Molecular Weight1
- 80.06
- Other Names
-
- SULFURIC ANHYDRIDE
- SULFAN
- SULFURIC OXIDE
- ω : Acentric Factor.
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- 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).
- Ptriple : Triple Point Pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- Zra : Rackett Parameter.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.4810 | KDB | |
| μ | 0.00 | debye | KDB |
| ΔfG° | -371.30 | kJ/mol | KDB |
| ΔfH°gas | -396.00 | kJ/mol | KDB |
| ΔfusH° | 14.12 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 39.84 | kJ/mol | Joback Calculated Property |
| log10WS | 0.26 | Crippen Calculated Property | |
| logPoct/wat | -1.004 | Crippen Calculated Property | |
| McVol | 40.520 | ml/mol | McGowan Calculated Property |
| Pc | 8200.00 | kPa | KDB |
| Ptriple | 21.13 | kPa | KDB |
| Tboil | 318.00 | K | KDB |
| Tc | 491.00 | K | KDB |
| Tfus | 289.90 | K | KDB |
| Ttriple | 289.94 | K | KDB |
| Vc | 0.127 | m3/kmol | KDB |
| Zc | 0.2550940 | KDB | |
| Zra | 0.25 | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [48.37; 63.13] | J/mol×K | [235.28; 371.17] | 
|
| Cp,gas | 48.37 | J/mol×K | 235.28 | Joback Calculated Property |
| Cp,gas | 51.36 | J/mol×K | 257.93 | Joback Calculated Property |
| Cp,gas | 54.12 | J/mol×K | 280.58 | Joback Calculated Property |
| Cp,gas | 56.67 | J/mol×K | 303.23 | Joback Calculated Property |
| Cp,gas | 59.02 | J/mol×K | 325.88 | Joback Calculated Property |
| Cp,gas | 61.17 | J/mol×K | 348.53 | Joback Calculated Property |
| Cp,gas | 63.13 | J/mol×K | 371.17 | Joback Calculated Property |
| ρl | 1780.00 | kg/m3 | 318.00 | KDB |
Similar Compounds
Find more compounds similar to SULFUR TRIOXIDE.
Sources
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