- InChI
- InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3
- InChI Key
- QMMOXUPEWRXHJS-UHFFFAOYSA-N
- Formula
- C5H10
- SMILES
- CC=CCC
- Molecular Weight1
- 70.13
- CAS
- 109-68-2
- Other Names
-
- 2-Pentene,c&t
- 3-Pentene
- CH3CH=CHC2H5
- Methylethylethylene
- Pent-2-ene
- s-Methylethylethylene
- sym-Methylethylethylene
- «beta»-n-Amylene
- «beta»-n-Amylene
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- 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).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- 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° | 71.44 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -29.31 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 8.91 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 26.68 | kJ/mol | Joback Calculated Property |
| log10WS | -1.77 | Crippen Calculated Property | |
| logPoct/wat | 1.973 | Crippen Calculated Property | |
| McVol | 77.010 | ml/mol | McGowan Calculated Property |
| Pc | 3690.97 | kPa | Joback Calculated Property |
| Inp | [503.00; 522.00] |
|
|
| Inp | 503.00 | NIST | |
| Inp | 522.00 | NIST | |
| I | [522.00; 558.00] |
|
|
| I | 522.00 | NIST | |
| I | 558.00 | NIST | |
| Tboil | [309.30; 310.20] | K |
|
| Tboil | Outlier 310.20 | K | NIST |
| Tboil | 309.70 ± 2.00 | K | NIST |
| Tboil | 309.70 ± 1.00 | K | NIST |
| Tboil | 309.60 ± 0.40 | K | NIST |
| Tboil | 309.60 ± 0.20 | K | NIST |
| Tboil | 309.85 ± 0.30 | K | NIST |
| Tboil | 309.30 ± 1.00 | K | NIST |
| Tboil | 309.65 ± 2.00 | K | NIST |
| Tboil | 309.55 ± 0.30 | K | NIST |
| Tboil | 309.50 ± 0.60 | K | NIST |
| Tboil | 309.55 ± 0.15 | K | NIST |
| Tboil | 309.70 ± 1.50 | K | NIST |
| Tboil | 309.60 ± 1.00 | K | NIST |
| Tboil | 310.00 ± 3.00 | K | NIST |
| Tc | 489.90 | K | Joback Calculated Property |
| Tfus | [126.00; 135.00] | K |
|
| Tfus | 135.00 ± 3.00 | K | NIST |
| Tfus | 126.00 ± 2.00 | K | NIST |
| Vc | 0.295 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [112.28; 160.11] | J/mol×K | [317.96; 489.90] |
|
| Cp,gas | 112.28 | J/mol×K | 317.96 | Joback Calculated Property |
| Cp,gas | 121.16 | J/mol×K | 346.62 | Joback Calculated Property |
| Cp,gas | 129.66 | J/mol×K | 375.27 | Joback Calculated Property |
| Cp,gas | 137.80 | J/mol×K | 403.93 | Joback Calculated Property |
| Cp,gas | 145.57 | J/mol×K | 432.58 | Joback Calculated Property |
| Cp,gas | 153.01 | J/mol×K | 461.24 | Joback Calculated Property |
| Cp,gas | 160.11 | J/mol×K | 489.90 | Joback Calculated Property |
| Cp,liquid | [151.13; 195.80] | J/mol×K | [289.10; 298.00] |
|
| Cp,liquid | 151.13 | J/mol×K | 289.10 | NIST |
| Cp,liquid | 195.80 | J/mol×K | 298.00 | NIST |
| η | [0.0001682; 0.0033409] | Pa×s | [141.03; 317.96] |
|
| η | 0.0033409 | Pa×s | 141.03 | Joback Calculated Property |
| η | 0.0013197 | Pa×s | 170.52 | Joback Calculated Property |
| η | 0.0006855 | Pa×s | 200.01 | Joback Calculated Property |
| η | 0.0004214 | Pa×s | 229.50 | Joback Calculated Property |
| η | 0.0002894 | Pa×s | 258.98 | Joback Calculated Property |
| η | 0.0002146 | Pa×s | 288.47 | Joback Calculated Property |
| η | 0.0001682 | Pa×s | 317.96 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [222.86; 331.27] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.44152e+01 | |||
| Coefficient B | -2.77533e+03 | |||
| Coefficient C | -2.64130e+01 | |||
| Temperature range, min. | 222.86 | |||
| Temperature range, max. | 331.27 | |||
| Pvap | 1.33 | kPa | 222.86 | Calculated Property |
| Pvap | 3.02 | kPa | 234.91 | Calculated Property |
| Pvap | 6.24 | kPa | 246.95 | Calculated Property |
| Pvap | 11.97 | kPa | 259.00 | Calculated Property |
| Pvap | 21.55 | kPa | 271.04 | Calculated Property |
| Pvap | 36.69 | kPa | 283.09 | Calculated Property |
| Pvap | 59.58 | kPa | 295.13 | Calculated Property |
| Pvap | 92.79 | kPa | 307.18 | Calculated Property |
| Pvap | 139.35 | kPa | 319.22 | Calculated Property |
| Pvap | 202.65 | kPa | 331.27 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Pentene.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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Take the time to validate and double check the source of the data.
Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.