- InChI
- InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2
- InChI Key
- OZJPLYNZGCXSJM-UHFFFAOYSA-N
- Formula
- C5H8O2
- SMILES
- O=C1CCCCO1
- Molecular Weight1
- 100.12
- CAS
- 542-28-9
- Other Names
-
- .delta.-valerolactone
- 1-Oxacyclohexan-2-one
- 5-Hydroxypentanoic acid «delta»-lactone
- 5-Hydroxypentanoic acid «delta»-lactone
- 5-Pentanolide
- 5-Valerolactone
- Cyclopentanolide
- Delta-valerolactone
- NSC 6247
- Pentan-5-olide
- Pentanoic acid, 5-hydroxy-, «delta»-lactone
- Pentanoic acid, 5-hydroxy-, «delta»-lactone
- Tetrahydro-2-pyranone
- Tetrahydro-2H-pyran-2-one
- Tetrahydropyran-2-one
- Valeric acid, «delta»-hydroxy-, «delta»-lactone
- Valeric acid, «delta»-hydroxy-, «delta»-lactone
- oxan-2-one
- valeric acid, .delta.-hydroxy-, lactone
- «delta»-Pentalactone
- «delta»-Valerolactone
- «delta»-Valeryllactone
- «delta»-Pentalactone
- «delta»-Valerolactone
- «delta»-Valeryllactone
- 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).
- 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).
- 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).
- 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.
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- csound,fluid : Speed of sound in fluid (m/s).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (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.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔcH°liquid | -2673.30 ± 0.50 | kJ/mol | NIST |
| ΔfG° | -185.33 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | [-379.60; -376.00] | kJ/mol |
|
| ΔfH°gas | -376.00 ± 3.00 | kJ/mol | NIST |
| ΔfH°gas | -379.60 ± 0.90 | kJ/mol | NIST |
| ΔfH°liquid | [-437.60; -436.00] | kJ/mol |
|
| ΔfH°liquid | -436.00 ± 3.00 | kJ/mol | NIST |
| ΔfH°liquid | -437.60 ± 0.80 | kJ/mol | NIST |
| ΔfusH° | 6.96 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 36.22 | kJ/mol | Joback Calculated Property |
| log10WS | -0.67 | Crippen Calculated Property | |
| logPoct/wat | 0.714 | Crippen Calculated Property | |
| McVol | 77.890 | ml/mol | McGowan Calculated Property |
| Pc | 4862.97 | kPa | Joback Calculated Property |
| Inp | [954.00; 1010.00] |
|
|
| Inp | 1010.00 | NIST | |
| Inp | 954.00 | NIST | |
| Inp | 961.00 | NIST | |
| Inp | 965.00 | NIST | |
| Inp | 991.00 | NIST | |
| Inp | 991.00 | NIST | |
| Inp | 961.00 | NIST | |
| I | [1730.00; 1786.00] |
|
|
| I | 1780.00 | NIST | |
| I | 1784.00 | NIST | |
| I | 1785.00 | NIST | |
| I | 1786.00 | NIST | |
| I | 1730.00 | NIST | |
| S°liquid | [219.00; 219.00] | J/mol×K |
|
| S°liquid | 219.00 | J/mol×K | NIST |
| S°liquid | 219.00 | J/mol×K | NIST |
| S°liquid | 219.00 | J/mol×K | NIST |
| Tboil | 492.20 | K | NIST |
| Tc | 662.42 | K | Joback Calculated Property |
| Tfus | 262.80 ± 0.60 | K | NIST |
| Ttriple | [262.82; 262.82] | K |
|
| Ttriple | 262.82 ± 0.02 | K | NIST |
| Ttriple | 262.82 ± 0.02 | K | NIST |
| Ttriple | 262.82 ± 0.02 | K | NIST |
| Vc | 0.278 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [151.33; 216.74] | J/mol×K | [432.79; 662.42] |
|
|
T(K) Ideal gas heat capacity (J/mol×K) 150 160 170 180 190 200 210 220 500 600 | ||||
| Cp,gas | 151.33 | J/mol×K | 432.79 | Joback Calculated Property |
| Cp,gas | 163.57 | J/mol×K | 471.06 | Joback Calculated Property |
| Cp,gas | 175.28 | J/mol×K | 509.33 | Joback Calculated Property |
| Cp,gas | 186.47 | J/mol×K | 547.60 | Joback Calculated Property |
| Cp,gas | 197.12 | J/mol×K | 585.88 | Joback Calculated Property |
| Cp,gas | 207.21 | J/mol×K | 624.15 | Joback Calculated Property |
| Cp,gas | 216.74 | J/mol×K | 662.42 | Joback Calculated Property |
| Cp,liquid | [171.60; 171.60] | J/mol×K | [298.15; 298.15] |
|
| Cp,liquid | 171.60 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 171.60 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 171.60 | J/mol×K | 298.15 | NIST |
| η | [0.0021191; 0.0027577] | Pa×s | [303.15; 318.15] |
|
| η | 0.0027577 | Pa×s | 303.15 | Volumet... |
| η | 0.0024957 | Pa×s | 308.15 | Volumet... |
| η | 0.0023130 | Pa×s | 313.15 | Volumet... |
| η | 0.0021191 | Pa×s | 318.15 | Volumet... |
| ΔfusH | 10.53 | kJ/mol | 263.00 | NIST |
| ΔvapH | [48.60; 52.40] | kJ/mol | [387.50; 410.50] |
|
| ΔvapH | 48.60 | kJ/mol | 387.50 | NIST |
| ΔvapH | 52.40 ± 0.20 | kJ/mol | 410.50 | NIST |
| Pvap | [2.83e-03; 0.51] | kPa | [278.40; 353.20] |
|
|
T(K) Vapor pressure (kPa) 0 0.1 0.2 0.3 0.4 0.5 280 300 320 340 | ||||
| Pvap | 2.83e-03 | kPa | 278.40 | Vapour ... |
| Pvap | 4.19e-03 | kPa | 283.20 | Vapour ... |
| Pvap | 4.03e-03 | kPa | 283.20 | Vapour ... |
| Pvap | 4.41e-03 | kPa | 283.30 | Vapour ... |
| Pvap | 6.85e-03 | kPa | 288.20 | Vapour ... |
| Pvap | 6.80e-03 | kPa | 288.30 | Vapour ... |
| Pvap | 6.54e-03 | kPa | 288.30 | Vapour ... |
| Pvap | 6.56e-03 | kPa | 288.30 | Vapour ... |
| Pvap | 7.83e-03 | kPa | 290.30 | Vapour ... |
| Pvap | 9.87e-03 | kPa | 293.10 | Vapour ... |
| Pvap | 0.01 | kPa | 293.30 | Vapour ... |
| Pvap | 0.01 | kPa | 294.20 | Vapour ... |
| Pvap | 0.01 | kPa | 297.90 | Vapour ... |
| Pvap | 0.02 | kPa | 298.20 | Vapour ... |
| Pvap | 0.02 | kPa | 299.20 | Vapour ... |
| Pvap | 0.02 | kPa | 303.10 | Vapour ... |
| Pvap | 0.02 | kPa | 303.20 | Vapour ... |
| Pvap | 0.02 | kPa | 304.30 | Vapour ... |
| Pvap | 0.03 | kPa | 307.10 | Vapour ... |
| Pvap | 0.03 | kPa | 307.10 | Vapour ... |
| Pvap | 0.03 | kPa | 308.10 | Vapour ... |
| Pvap | 0.04 | kPa | 309.30 | Vapour ... |
| Pvap | 0.05 | kPa | 313.10 | Vapour ... |
| Pvap | 0.05 | kPa | 313.10 | Vapour ... |
| Pvap | 0.05 | kPa | 313.20 | Vapour ... |
| Pvap | 0.05 | kPa | 313.20 | Vapour ... |
| Pvap | 0.05 | kPa | 313.20 | Vapour ... |
| Pvap | 0.06 | kPa | 318.10 | Vapour ... |
| Pvap | 0.06 | kPa | 318.10 | Vapour ... |
| Pvap | 0.07 | kPa | 318.10 | Vapour ... |
| Pvap | 0.10 | kPa | 323.10 | Vapour ... |
| Pvap | 0.09 | kPa | 323.20 | Vapour ... |
| Pvap | 0.09 | kPa | 323.20 | Vapour ... |
| Pvap | 0.12 | kPa | 328.10 | Vapour ... |
| Pvap | 0.14 | kPa | 328.30 | Vapour ... |
| Pvap | 0.12 | kPa | 328.40 | Vapour ... |
| Pvap | 0.16 | kPa | 333.00 | Vapour ... |
| Pvap | 0.18 | kPa | 333.20 | Vapour ... |
| Pvap | 0.18 | kPa | 333.20 | Vapour ... |
| Pvap | 0.23 | kPa | 338.10 | Vapour ... |
| Pvap | 0.22 | kPa | 338.20 | Vapour ... |
| Pvap | 0.24 | kPa | 338.20 | Vapour ... |
| Pvap | 0.32 | kPa | 343.10 | Vapour ... |
| Pvap | 0.30 | kPa | 343.20 | Vapour ... |
| Pvap | 0.30 | kPa | 343.20 | Vapour ... |
| Pvap | 0.41 | kPa | 348.20 | Vapour ... |
| Pvap | 0.44 | kPa | 349.20 | Vapour ... |
| Pvap | 0.46 | kPa | 350.20 | Vapour ... |
| Pvap | 0.46 | kPa | 351.10 | Vapour ... |
| Pvap | 0.49 | kPa | 352.10 | Vapour ... |
| Pvap | 0.51 | kPa | 353.20 | Vapour ... |
| csound,fluid | [1481.50; 1587.22] | m/s | [293.15; 323.15] |
|
|
T(K) Speed of sound in fluid (m/s) 1480 1500 1520 1540 1560 1580 300 310 320 | ||||
| csound,fluid | 1587.22 | m/s | 293.15 | A compa... |
| csound,fluid | 1569.16 | m/s | 298.15 | A compa... |
| csound,fluid | 1551.27 | m/s | 303.15 | A compa... |
| csound,fluid | 1533.45 | m/s | 308.15 | A compa... |
| csound,fluid | 1516.01 | m/s | 313.15 | A compa... |
| csound,fluid | 1498.63 | m/s | 318.15 | A compa... |
| csound,fluid | 1481.50 | m/s | 323.15 | A compa... |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 332.20 | K | 0.07 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.58] | kPa | [358.92; 408.48] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 3.59800e+01 | |||
| Coefficient B | -1.07999e+04 | |||
| Coefficient C | -5.63340e+01 | |||
| Temperature range, min. | 358.92 | |||
| Temperature range, max. | 408.48 | |||
|
T(K) Vapor pressure (kPa) 0 50 100 150 200 360 380 400 | ||||
| Pvap | 1.33 | kPa | 358.92 | Calculated Property |
| Pvap | 2.52 | kPa | 364.43 | Calculated Property |
| Pvap | 4.67 | kPa | 369.93 | Calculated Property |
| Pvap | 8.46 | kPa | 375.44 | Calculated Property |
| Pvap | 15.03 | kPa | 380.95 | Calculated Property |
| Pvap | 26.18 | kPa | 386.45 | Calculated Property |
| Pvap | 44.77 | kPa | 391.96 | Calculated Property |
| Pvap | 75.27 | kPa | 397.47 | Calculated Property |
| Pvap | 124.46 | kPa | 402.97 | Calculated Property |
| Pvap | 202.58 | kPa | 408.48 | Calculated Property |
Similar Compounds
Find more compounds similar to 2H-Pyran-2-one, tetrahydro-.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Vapour pressures and enthalpies of vaporization of a series of d-lactones
- Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
- A comparative study on the interactions of [bmim][NTf2] ionic liquid with selected four- to seven-membered-ring lactones
- 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.