- InChI
- InChI=1S/C5H12S/c1-4(2)5(3)6/h4-6H,1-3H3
- InChI Key
- BFLXFRNPNMTTAA-UHFFFAOYSA-N
- Formula
- C5H12S
- SMILES
- CC(C)C(C)S
- Molecular Weight1
- 104.22
- CAS
- 2084-18-6
- Other Names
-
- 3-Methyl-2-butanethiol
- 3-Methyl-2-butylthiol
- 3-Methylbutan-2-thiol
- 3-methylbutane-2-thiol
- ω : Acentric Factor.
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (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).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- 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).
- 1: Molecular weight from the IUPAC atomic weights tables.
Cheméo is a service of Céondo GmbH, since 2007, we provide simulation, modelling and software development services for the industry.
Do not hesitate to contact us for your projects.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.3266 | Relay (1.0) Calculated Property | |
| ΔcH°liquid | -4126.00 ± 0.84 | kJ/mol | NIST |
| ΔfG° | 15.73 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -121.00 ± 0.96 | kJ/mol | NIST |
| ΔfH°liquid | -158.40 ± 0.92 | kJ/mol | NIST |
| ΔfusH° | 5.70 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [37.40; 37.70] | kJ/mol |
|
| ΔvapH° | 37.50 ± 0.20 | kJ/mol | NIST |
| ΔvapH° | 37.40 | kJ/mol | NIST |
| ΔvapH° | 37.50 ± 0.10 | kJ/mol | NIST |
| ΔvapH° | 37.70 | kJ/mol | NIST |
| IE | 8.91 | eV | Relay (1.0) Calculated Property |
| log10WS | -2.28 | Relay (1.0) Calculated Property | |
| logPoct/wat | 1.961 | Crippen Calculated Property | |
| McVol | 97.660 | ml/mol | McGowan Calculated Property |
| Pc | 3819.82 | kPa | Joback Calculated Property |
| Inp | [743.00; 773.00] |
|
|
| Inp | 773.00 | NIST | |
| Inp | 773.00 | NIST | |
| Inp | 773.00 | NIST | |
| Inp | 743.00 | NIST | |
| I | 978.00 | NIST | |
| S°liquid | 295.60 | J/mol×K | NIST |
| Tboil | 382.95 ± 0.20 | K | NIST |
| Tc | 572.16 | K | Relay (1.0) Calculated Property |
| Tfus | 166.42 | K | Relay (1.0) Calculated Property |
| Ttriple | [146.05; 146.05] | K |
|
| Ttriple | 146.05 ± 0.06 | K | NIST |
| Ttriple | 146.05 ± 0.06 | K | NIST |
| Vc | 0.350 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | 198.95 | J/mol×K | 298.15 | NIST |
| ΔfusH | [0.61; 7.06] | kJ/mol | [144.50; 191.00] |
|
| ΔfusH | 7.06 | kJ/mol | 144.50 | NIST |
| ΔfusH | 0.61 | kJ/mol | 146.10 | NIST |
| ΔfusH | 0.61 | kJ/mol | 191.00 | NIST |
| ΔfusH | 0.61 | kJ/mol | 191.00 | NIST |
| ΔvapH | [36.20; 37.70] | kJ/mol | [347.00; 368.50] |
|
| ΔvapH | 37.70 | kJ/mol | 347.00 | NIST |
| ΔvapH | 36.20 | kJ/mol | 368.50 | NIST |
| ΔfusS | [4.16; 48.89] | J/mol×K | [144.50; 146.10] |
|
| ΔfusS | 48.89 | J/mol×K | 144.50 | NIST |
| ΔfusS | 4.16 | J/mol×K | 146.10 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [131.70; 303.73] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 9.87000e+00 | |||
| Coefficient B | 5.17960e-01 | |||
| Coefficient C | -2.77000e-04 | |||
| Coefficient D | 5.29000e-08 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 131.70 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 160.79 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 186.99 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 210.47 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 231.41 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 249.96 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 266.31 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 280.60 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 293.02 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 303.73 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.63] | kPa | [286.73; 406.03] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.53811e+01 | |||
| Coefficient B | -3.60930e+03 | |||
| Coefficient C | -4.75990e+01 | |||
| Temperature range, min. | 286.73 | |||
| Temperature range, max. | 406.03 | |||
| Pvap | 1.33 | kPa | 286.73 | Calculated Property |
| Pvap | 2.95 | kPa | 299.99 | Calculated Property |
| Pvap | 6.01 | kPa | 313.24 | Calculated Property |
| Pvap | 11.47 | kPa | 326.50 | Calculated Property |
| Pvap | 20.63 | kPa | 339.75 | Calculated Property |
| Pvap | 35.27 | kPa | 353.01 | Calculated Property |
| Pvap | 57.67 | kPa | 366.26 | Calculated Property |
| Pvap | 90.66 | kPa | 379.52 | Calculated Property |
| Pvap | 137.64 | kPa | 392.77 | Calculated Property |
| Pvap | 202.63 | kPa | 406.03 | Calculated Property |
| Pvap | [9.58; 270.35] | kPa | [316.12; 422.00] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38158e+01 | |||
| Coefficient B | -3.00985e+03 | |||
| Coefficient C | -5.56620e+01 | |||
| Reference | Osborn and Douslin, 1966 | |||
| Temperature range, min. | 316.12 | |||
| Temperature range, max. | 422.00 | |||
| Pvap | 9.58 | kPa | 316.12 | Calculated Property |
| Pvap | 15.79 | kPa | 327.88 | Calculated Property |
| Pvap | 24.96 | kPa | 339.65 | Calculated Property |
| Pvap | 38.05 | kPa | 351.41 | Calculated Property |
| Pvap | 56.16 | kPa | 363.18 | Calculated Property |
| Pvap | 80.54 | kPa | 374.94 | Calculated Property |
| Pvap | 112.59 | kPa | 386.71 | Calculated Property |
| Pvap | 153.82 | kPa | 398.47 | Calculated Property |
| Pvap | 205.84 | kPa | 410.24 | Calculated Property |
| Pvap | 270.35 | kPa | 422.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Butanethiol, 3-methyl-.
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
Take the time to validate and double check the source of the data.
These property values are available through the Cheméo API. A free account gives you an access key.