- InChI
- InChI=1S/C5H12O2/c1-2-3-5(7)4-6/h5-7H,2-4H2,1H3
- InChI Key
- WCVRQHFDJLLWFE-UHFFFAOYSA-N
- Formula
- C5H12O2
- SMILES
- CCCC(O)CO
- Molecular Weight1
- 104.15
- CAS
- 5343-92-0
- Other Names
-
- pentane-1,2-diol
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas 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).
- ΔfH°liquid : Liquid phase 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).
- ρl : Liquid Density (kg/m3).
- 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 |
|---|---|---|---|
| ΔcH°liquid | -3135.80 ± 7.50 | kJ/mol | NIST |
| ΔfG° | -284.86 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -465.10 ± 7.50 | kJ/mol | NIST |
| ΔfH°liquid | -546.70 ± 7.50 | kJ/mol | NIST |
| ΔfusH° | 13.36 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [74.60; 81.60] | kJ/mol |
|
| ΔvapH° | 74.60 ± 0.30 | kJ/mol | NIST |
| ΔvapH° | 81.60 ± 0.20 | kJ/mol | NIST |
| ΔvapH° | 81.60 | kJ/mol | NIST |
| log10WS | -0.55 | Crippen Calculated Property | |
| logPoct/wat | 0.140 | Crippen Calculated Property | |
| McVol | 93.050 | ml/mol | McGowan Calculated Property |
| Pc | 4409.10 | kPa | Joback Calculated Property |
| Tboil | 497.72 | K | Joback Calculated Property |
| Tc | 658.58 | K | Joback Calculated Property |
| Tfus | 252.75 | K | Joback Calculated Property |
| Vc | 0.347 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [213.31; 255.10] | J/mol×K | [497.72; 658.58] |
|
| Cp,gas | 213.31 | J/mol×K | 497.72 | Joback Calculated Property |
| Cp,gas | 220.99 | J/mol×K | 524.53 | Joback Calculated Property |
| Cp,gas | 228.37 | J/mol×K | 551.34 | Joback Calculated Property |
| Cp,gas | 235.47 | J/mol×K | 578.15 | Joback Calculated Property |
| Cp,gas | 242.28 | J/mol×K | 604.96 | Joback Calculated Property |
| Cp,gas | 248.82 | J/mol×K | 631.77 | Joback Calculated Property |
| Cp,gas | 255.10 | J/mol×K | 658.58 | Joback Calculated Property |
| η | [0.0136600; 0.0769600] | Pa×s | [293.15; 323.15] |
|
| η | 0.0769600 | Pa×s | 293.15 | Excess ... |
| η | 0.0391600 | Pa×s | 303.15 | Excess ... |
| η | 0.0225200 | Pa×s | 313.15 | Excess ... |
| η | 0.0136600 | Pa×s | 323.15 | Excess ... |
| ρl | 966.68 | kg/m3 | 298.15 | Excess ... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [372.72; 504.79] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.66293e+01 | |||
| Coefficient B | -4.86217e+03 | |||
| Coefficient C | -7.51880e+01 | |||
| Temperature range, min. | 372.72 | |||
| Temperature range, max. | 504.79 | |||
| Pvap | 1.33 | kPa | 372.72 | Calculated Property |
| Pvap | 2.87 | kPa | 387.39 | Calculated Property |
| Pvap | 5.78 | kPa | 402.07 | Calculated Property |
| Pvap | 10.96 | kPa | 416.74 | Calculated Property |
| Pvap | 19.69 | kPa | 431.42 | Calculated Property |
| Pvap | 33.79 | kPa | 446.09 | Calculated Property |
| Pvap | 55.66 | kPa | 460.77 | Calculated Property |
| Pvap | 88.37 | kPa | 475.44 | Calculated Property |
| Pvap | 135.80 | kPa | 490.12 | Calculated Property |
| Pvap | 202.64 | kPa | 504.79 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,2-Pentanediol.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Liquid phase behavior of hexafluorophosphate ionic liquids with polyhydric alcohols
- Phase behavior of imidazolium and phosphonium tetrafluoroborates with dihydroxy alcohols
- Excess volumes and excess heat capacities of {1,2- alkanediol + methanol} mixtures and ionic volumes in these systems
- Excess molar volume and viscosity deviation for binary mixtures of polyethylene glycol dimethyl ether 250 with 1,2-alkanediols (C3 C6) at T = (293.15 to 323.15) K
- 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.