- InChI
- InChI=1S/C8H18O2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2
- InChI Key
- OEIJHBUUFURJLI-UHFFFAOYSA-N
- Formula
- C8H18O2
- SMILES
- OCCCCCCCCO
- Molecular Weight1
- 146.23
- CAS
- 629-41-4
- Other Names
-
- 1,8-dihydroxyoctane
- Octamethylene glycol
- Octan-1,8-diol
- octane, 1,8-dihydroxy-
- octane-1,8-diol
- ΔcH°solid : Standard solid 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°solid : Solid 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).
- ΔsubH° : Enthalpy of sublimation at standard conditions (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.
- 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°solid | -5094.00 ± 4.80 | kJ/mol | NIST |
| ΔfG° | -257.16 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -487.30 ± 4.90 | kJ/mol | NIST |
| ΔfH°solid | -626.60 ± 4.80 | kJ/mol | NIST |
| ΔfusH° | 24.65 | kJ/mol | Joback Calculated Property |
| ΔsubH° | [139.30; 139.30] | kJ/mol |
|
| ΔsubH° | 139.30 ± 0.90 | kJ/mol | NIST |
| ΔsubH° | 139.30 | kJ/mol | NIST |
| ΔsubH° | 139.30 ± 0.90 | kJ/mol | NIST |
| ΔvapH° | [105.40; 107.00] | kJ/mol |
|
| ΔvapH° | 107.00 ± 2.20 | kJ/mol | NIST |
| ΔvapH° | 105.40 ± 1.80 | kJ/mol | NIST |
| log10WS | -1.70 | Crippen Calculated Property | |
| logPoct/wat | 1.312 | Crippen Calculated Property | |
| McVol | 135.320 | ml/mol | McGowan Calculated Property |
| Pc | 3079.57 | kPa | Joback Calculated Property |
| Inp | 1313.00 | NIST | |
| I | [2366.00; 2366.00] |
|
|
| I | 2366.00 | NIST | |
| I | 2366.00 | NIST | |
| Tboil | 566.80 | K | Joback Calculated Property |
| Tc | 752.00 | K | Critica... |
| Tfus | 331.60 | K | Thermod... |
| Ttriple | 332.70 ± 0.10 | K | NIST |
| Vc | 0.521 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [344.83; 400.10] | J/mol×K | [566.80; 723.62] |
|
| Cp,gas | 344.83 | J/mol×K | 566.80 | Joback Calculated Property |
| Cp,gas | 354.99 | J/mol×K | 592.94 | Joback Calculated Property |
| Cp,gas | 364.75 | J/mol×K | 619.07 | Joback Calculated Property |
| Cp,gas | 374.14 | J/mol×K | 645.21 | Joback Calculated Property |
| Cp,gas | 383.15 | J/mol×K | 671.35 | Joback Calculated Property |
| Cp,gas | 391.80 | J/mol×K | 697.49 | Joback Calculated Property |
| Cp,gas | 400.10 | J/mol×K | 723.62 | Joback Calculated Property |
| Cp,liquid | [371.35; 396.17] | J/mol×K | [333.65; 353.15] |
|
| Cp,liquid | 371.35 | J/mol×K | 333.65 | Heat Ca... |
| Cp,liquid | 373.24 | J/mol×K | 335.15 | Heat Ca... |
| Cp,liquid | 375.13 | J/mol×K | 336.65 | Heat Ca... |
| Cp,liquid | 377.03 | J/mol×K | 338.15 | Heat Ca... |
| Cp,liquid | 378.93 | J/mol×K | 339.65 | Heat Ca... |
| Cp,liquid | 380.83 | J/mol×K | 341.15 | Heat Ca... |
| Cp,liquid | 382.74 | J/mol×K | 342.65 | Heat Ca... |
| Cp,liquid | 384.65 | J/mol×K | 344.15 | Heat Ca... |
| Cp,liquid | 386.56 | J/mol×K | 345.65 | Heat Ca... |
| Cp,liquid | 388.48 | J/mol×K | 347.15 | Heat Ca... |
| Cp,liquid | 390.40 | J/mol×K | 348.65 | Heat Ca... |
| Cp,liquid | 392.32 | J/mol×K | 350.15 | Heat Ca... |
| Cp,liquid | 394.24 | J/mol×K | 351.65 | Heat Ca... |
| Cp,liquid | 396.17 | J/mol×K | 353.15 | Heat Ca... |
| η | [0.0000464; 0.0502473] | Pa×s | [301.56; 566.80] |
|
| η | 0.0502473 | Pa×s | 301.56 | Joback Calculated Property |
| η | 0.0074475 | Pa×s | 345.77 | Joback Calculated Property |
| η | 0.0017017 | Pa×s | 389.97 | Joback Calculated Property |
| η | 0.0005252 | Pa×s | 434.18 | Joback Calculated Property |
| η | 0.0002014 | Pa×s | 478.39 | Joback Calculated Property |
| η | 0.0000908 | Pa×s | 522.59 | Joback Calculated Property |
| η | 0.0000464 | Pa×s | 566.80 | Joback Calculated Property |
| ΔfusH | [36.10; 36.10] | kJ/mol | [332.80; 332.80] |
|
| ΔfusH | 36.10 | kJ/mol | 332.80 | NIST |
| ΔfusH | 36.10 | kJ/mol | 332.80 | NIST |
| ΔvapH | [101.00; 104.90] | kJ/mol | [298.15; 356.00] |
|
| ΔvapH | 104.90 | kJ/mol | 298.15 | Vaporiz... |
| ΔvapH | 101.00 | kJ/mol | 356.00 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 445.20 | K | 2.70 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [422.32; 537.37] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.97169e+01 | |||
| Coefficient B | -6.40965e+03 | |||
| Coefficient C | -9.24240e+01 | |||
| Temperature range, min. | 422.32 | |||
| Temperature range, max. | 537.37 | |||
| Pvap | 1.33 | kPa | 422.32 | Calculated Property |
| Pvap | 2.75 | kPa | 435.10 | Calculated Property |
| Pvap | 5.39 | kPa | 447.89 | Calculated Property |
| Pvap | 10.08 | kPa | 460.67 | Calculated Property |
| Pvap | 18.08 | kPa | 473.45 | Calculated Property |
| Pvap | 31.22 | kPa | 486.24 | Calculated Property |
| Pvap | 52.08 | kPa | 499.02 | Calculated Property |
| Pvap | 84.20 | kPa | 511.80 | Calculated Property |
| Pvap | 132.33 | kPa | 524.59 | Calculated Property |
| Pvap | 202.64 | kPa | 537.37 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,8-Octanediol.
Sources
- Crippen Method
- Crippen Method
- Critical temperatures and pressures of straight-chain alkanediols (C3 to C12)
- Thermodynamics of fusion and sublimation for a homologous series of eleven alkane-.alpha.,.omega.-diols HO-(CH2)n-OH: Structure-related odd even effect
- Vaporization Enthalpies of the r,o-Alkanediols by Correlation Gas Chromatography
- Heat Capacities of Some Liquid alpha,omega-Alkanediols within the Temperature Range between (293.15 and 353.15) K
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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