- InChI
- InChI=1S/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2
- InChI Key
- BUDQDWGNQVEFAC-UHFFFAOYSA-N
- Formula
- C5H8O
- SMILES
- C1=COCCC1
- Molecular Weight1
- 84.12
- CAS
- 25512-65-6
- Other Names
-
- dihydro-2H-pyran
- ω : Acentric Factor.
- 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).
- ΔfusH° : Enthalpy of fusion at standard conditions (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).
- 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 |
|---|---|---|---|
| ω | 0.2205 | Relay (1.0) Calculated Property | |
| ΔcH°liquid | -2953.00 ± 1.00 | kJ/mol | NIST |
| ΔfG° | -32.78 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -115.41 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 8.67 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 32.00 | kJ/mol | NIST |
| IE | 8.39 | eV | Relay (1.0) Calculated Property |
| log10WS | -0.85 | Relay (1.0) Calculated Property | |
| logPoct/wat | 1.310 | Crippen Calculated Property | |
| McVol | 72.020 | ml/mol | McGowan Calculated Property |
| Pc | 4869.76 | kPa | Joback Calculated Property |
| I | [974.00; 1026.00] |
|
|
| I | 980.00 | NIST | |
| I | 1000.00 | NIST | |
| I | 1026.00 | NIST | |
| I | 978.00 | NIST | |
| I | 974.00 | NIST | |
| I | 980.00 | NIST | |
| Tboil | 353.81 | K | Relay (1.0) Calculated Property |
| Tc | 555.18 | K | Relay (1.0) Calculated Property |
| Tfus | 185.83 | K | Relay (1.0) Calculated Property |
| Vc | 0.253 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [115.35; 175.50] | J/mol×K | [364.13; 573.37] |
|
| Cp,gas | 115.35 | J/mol×K | 364.13 | Joback Calculated Property |
| Cp,gas | 126.89 | J/mol×K | 399.00 | Joback Calculated Property |
| Cp,gas | 137.79 | J/mol×K | 433.88 | Joback Calculated Property |
| Cp,gas | 148.08 | J/mol×K | 468.75 | Joback Calculated Property |
| Cp,gas | 157.79 | J/mol×K | 503.62 | Joback Calculated Property |
| Cp,gas | 166.92 | J/mol×K | 538.49 | Joback Calculated Property |
| Cp,gas | 175.50 | J/mol×K | 573.37 | Joback Calculated Property |
| η | [0.0003376; 0.0102466] | Pa×s | [185.06; 364.13] |
|
| η | 0.0102466 | Pa×s | 185.06 | Joback Calculated Property |
| η | 0.0039085 | Pa×s | 214.91 | Joback Calculated Property |
| η | 0.0018859 | Pa×s | 244.75 | Joback Calculated Property |
| η | 0.0010662 | Pa×s | 274.60 | Joback Calculated Property |
| η | 0.0006741 | Pa×s | 304.44 | Joback Calculated Property |
| η | 0.0004625 | Pa×s | 334.28 | Joback Calculated Property |
| η | 0.0003376 | Pa×s | 364.13 | Joback Calculated Property |
| ΔvapH | 32.20 | kJ/mol | 280.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [3.47; 100.34] | kPa | [273.15; 358.15] |
KDB Vapor Pressure Data
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 1.54163e+01 | |||
| Coefficient B | -3.87061e+03 | |||
| Coefficient C | -7.96193e-05 | |||
| Coefficient D | 1.66471e-10 | |||
| Temperature range, min. | 273.15 | |||
| Temperature range, max. | 358.15 | |||
| Pvap | 3.47 | kPa | 273.15 | Calculated Property |
| Pvap | 5.58 | kPa | 282.59 | Calculated Property |
| Pvap | 8.69 | kPa | 292.04 | Calculated Property |
| Pvap | 13.16 | kPa | 301.48 | Calculated Property |
| Pvap | 19.44 | kPa | 310.93 | Calculated Property |
| Pvap | 28.06 | kPa | 320.37 | Calculated Property |
| Pvap | 39.65 | kPa | 329.82 | Calculated Property |
| Pvap | 54.98 | kPa | 339.26 | Calculated Property |
| Pvap | 74.88 | kPa | 348.71 | Calculated Property |
| Pvap | 100.34 | kPa | 358.15 | Calculated Property |
Similar Compounds
Find more compounds similar to Dihydropyran.
Sources
- KDB Vapor Pressure Data
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
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