- InChI
- InChI=1S/C7H16O2/c8-6-4-2-1-3-5-7-9/h8-9H,1-7H2
- InChI Key
- SXCBDZAEHILGLM-UHFFFAOYSA-N
- Formula
- C7H16O2
- SMILES
- OCCCCCCCO
- Molecular Weight1
- 132.20
- CAS
- 629-30-1
- Other Names
-
- .alpha.,.omega.-heptanediol
- .omega.-heptanediol
- 1,7-Dihydroxyheptane
- Heptamethylene glycol
- Heptane-1,7-diol
- «alpha»,«omega»-Heptanediol
- «omega»-Heptanediol
- «alpha»,«omega»-Heptanediol
- «omega»-Heptanediol
- 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.
- Tboil : Normal Boiling Point Temperature (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 | -4467.00 ± 9.30 | kJ/mol | NIST |
| ΔfG° | -265.58 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -477.60 ± 9.30 | kJ/mol | NIST |
| ΔfH°liquid | -574.20 ± 9.30 | kJ/mol | NIST |
| ΔfusH° | 22.06 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [96.20; 96.60] | kJ/mol |
|
| ΔvapH° | 96.50 ± 3.20 | kJ/mol | NIST |
| ΔvapH° | 96.60 ± 0.60 | kJ/mol | NIST |
| ΔvapH° | 96.60 | kJ/mol | NIST |
| ΔvapH° | 96.20 ± 1.20 | kJ/mol | NIST |
| log10WS | -1.28 | Crippen Calculated Property | |
| logPoct/wat | 0.922 | Crippen Calculated Property | |
| McVol | 121.230 | ml/mol | McGowan Calculated Property |
| Pc | 3435.91 | kPa | Joback Calculated Property |
| Inp | [1201.00; 1201.00] |
|
|
| Inp | 1201.00 | NIST | |
| Inp | 1201.00 | NIST | |
| Tboil | [532.20; 535.20] | K |
|
| Tboil | 532.20 | K | NIST |
| Tboil | 535.20 | K | NIST |
| Tc | 700.93 | K | Joback Calculated Property |
| Tfus | [290.50; 337.15] | K |
|
| Tfus | 290.50 | K | Thermod... |
| Tfus | 337.15 ± 2.00 | K | NIST |
| Tfus | 293.15 ± 4.00 | K | NIST |
| Ttriple | 295.00 ± 0.20 | K | NIST |
| Vc | 0.466 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [299.02; 349.86] | J/mol×K | [543.92; 700.93] |
|
| Cp,gas | 299.02 | J/mol×K | 543.92 | Joback Calculated Property |
| Cp,gas | 308.35 | J/mol×K | 570.09 | Joback Calculated Property |
| Cp,gas | 317.33 | J/mol×K | 596.26 | Joback Calculated Property |
| Cp,gas | 325.96 | J/mol×K | 622.42 | Joback Calculated Property |
| Cp,gas | 334.25 | J/mol×K | 648.59 | Joback Calculated Property |
| Cp,gas | 342.22 | J/mol×K | 674.76 | Joback Calculated Property |
| Cp,gas | 349.86 | J/mol×K | 700.93 | Joback Calculated Property |
| Cp,liquid | [292.06; 354.42] | J/mol×K | [293.15; 353.15] |
|
| Cp,liquid | 292.06 | J/mol×K | 293.15 | Heat Ca... |
| Cp,liquid | 293.40 | J/mol×K | 294.65 | Heat Ca... |
| Cp,liquid | 294.75 | J/mol×K | 296.15 | Heat Ca... |
| Cp,liquid | 296.11 | J/mol×K | 297.65 | Heat Ca... |
| Cp,liquid | 297.48 | J/mol×K | 299.15 | Heat Ca... |
| Cp,liquid | 298.87 | J/mol×K | 300.65 | Heat Ca... |
| Cp,liquid | 300.26 | J/mol×K | 302.15 | Heat Ca... |
| Cp,liquid | 301.67 | J/mol×K | 303.65 | Heat Ca... |
| Cp,liquid | 303.09 | J/mol×K | 305.15 | Heat Ca... |
| Cp,liquid | 304.51 | J/mol×K | 306.65 | Heat Ca... |
| Cp,liquid | 305.95 | J/mol×K | 308.15 | Heat Ca... |
| Cp,liquid | 307.41 | J/mol×K | 309.65 | Heat Ca... |
| Cp,liquid | 308.87 | J/mol×K | 311.15 | Heat Ca... |
| Cp,liquid | 310.34 | J/mol×K | 312.65 | Heat Ca... |
| Cp,liquid | 311.83 | J/mol×K | 314.15 | Heat Ca... |
| Cp,liquid | 313.33 | J/mol×K | 315.65 | Heat Ca... |
| Cp,liquid | 314.83 | J/mol×K | 317.15 | Heat Ca... |
| Cp,liquid | 316.35 | J/mol×K | 318.65 | Heat Ca... |
| Cp,liquid | 317.88 | J/mol×K | 320.15 | Heat Ca... |
| Cp,liquid | 319.43 | J/mol×K | 321.65 | Heat Ca... |
| Cp,liquid | 320.98 | J/mol×K | 323.15 | Heat Ca... |
| Cp,liquid | 322.54 | J/mol×K | 324.65 | Heat Ca... |
| Cp,liquid | 324.12 | J/mol×K | 326.15 | Heat Ca... |
| Cp,liquid | 325.71 | J/mol×K | 327.65 | Heat Ca... |
| Cp,liquid | 327.31 | J/mol×K | 329.15 | Heat Ca... |
| Cp,liquid | 328.00 | J/mol×K | 330.65 | Heat Ca... |
| Cp,liquid | 330.54 | J/mol×K | 332.15 | Heat Ca... |
| Cp,liquid | 332.17 | J/mol×K | 333.65 | Heat Ca... |
| Cp,liquid | 333.81 | J/mol×K | 335.15 | Heat Ca... |
| Cp,liquid | 335.47 | J/mol×K | 336.65 | Heat Ca... |
| Cp,liquid | 337.13 | J/mol×K | 338.15 | Heat Ca... |
| Cp,liquid | 338.81 | J/mol×K | 339.65 | Heat Ca... |
| Cp,liquid | 340.50 | J/mol×K | 341.15 | Heat Ca... |
| Cp,liquid | 342.20 | J/mol×K | 342.65 | Heat Ca... |
| Cp,liquid | 343.91 | J/mol×K | 344.15 | Heat Ca... |
| Cp,liquid | 345.63 | J/mol×K | 345.65 | Heat Ca... |
| Cp,liquid | 347.37 | J/mol×K | 347.15 | Heat Ca... |
| Cp,liquid | 349.11 | J/mol×K | 348.65 | Heat Ca... |
| Cp,liquid | 350.87 | J/mol×K | 350.15 | Heat Ca... |
| Cp,liquid | 352.64 | J/mol×K | 351.65 | Heat Ca... |
| Cp,liquid | 354.42 | J/mol×K | 353.15 | Heat Ca... |
| η | [0.0000601; 0.0715544] | Pa×s | [290.29; 543.92] |
|
| η | 0.0715544 | Pa×s | 290.29 | Joback Calculated Property |
| η | 0.0103813 | Pa×s | 332.56 | Joback Calculated Property |
| η | 0.0023279 | Pa×s | 374.83 | Joback Calculated Property |
| η | 0.0007068 | Pa×s | 417.11 | Joback Calculated Property |
| η | 0.0002672 | Pa×s | 459.38 | Joback Calculated Property |
| η | 0.0001190 | Pa×s | 501.65 | Joback Calculated Property |
| η | 0.0000601 | Pa×s | 543.92 | Joback Calculated Property |
| ΔfusH | [21.30; 21.30] | kJ/mol | [295.20; 295.20] |
|
| ΔfusH | 21.30 | kJ/mol | 295.20 | NIST |
| ΔfusH | 21.30 | kJ/mol | 295.20 | NIST |
| ΔvapH | [92.40; 97.90] | kJ/mol | [298.15; 341.00] |
|
| ΔvapH | 97.90 | kJ/mol | 298.15 | Vaporiz... |
| ΔvapH | 93.80 | kJ/mol | 323.00 | NIST |
| ΔvapH | 92.40 | kJ/mol | 341.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.63] | kPa | [415.12; 559.24] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.66473e+01 | |||
| Coefficient B | -5.32013e+03 | |||
| Coefficient C | -8.99220e+01 | |||
| Temperature range, min. | 415.12 | |||
| Temperature range, max. | 559.24 | |||
| Pvap | 1.33 | kPa | 415.12 | Calculated Property |
| Pvap | 2.87 | kPa | 431.13 | Calculated Property |
| Pvap | 5.78 | kPa | 447.15 | Calculated Property |
| Pvap | 10.95 | kPa | 463.16 | Calculated Property |
| Pvap | 19.68 | kPa | 479.17 | Calculated Property |
| Pvap | 33.77 | kPa | 495.19 | Calculated Property |
| Pvap | 55.63 | kPa | 511.20 | Calculated Property |
| Pvap | 88.34 | kPa | 527.21 | Calculated Property |
| Pvap | 135.77 | kPa | 543.23 | Calculated Property |
| Pvap | 202.63 | kPa | 559.24 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,7-Heptanediol.
Sources
- Crippen Method
- Crippen Method
- 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
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.