- InChI
- InChI=1S/C8H20N2/c9-7-5-3-1-2-4-6-8-10/h1-10H2
- InChI Key
- PWGJDPKCLMLPJW-UHFFFAOYSA-N
- Formula
- C8H20N2
- SMILES
- NCCCCCCCCN
- Molecular Weight1
- 144.26
- CAS
- 373-44-4
- Other Names
-
- 1,8-Octamethylenediamine
- 1,8-Octanediamine
- 1,8-Octylenediamine
- Octamethylenediamine
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- ΔfusH : Enthalpy of fusion at a given temperature (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).
- Psub : Sublimation 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).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| BasG | 946.00 ± 21.00 | kJ/mol | NIST |
| ΔfG° | 149.38 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -140.87 | kJ/mol | Joback Calculated Property |
| ΔfusH° | [50.51; 68.56] | kJ/mol |
|
| ΔfusH° | 68.56 | kJ/mol | Vapor p... |
| ΔfusH° | 68.19 | kJ/mol | Vapor p... |
| ΔfusH° | 68.04 | kJ/mol | Vapor p... |
| ΔfusH° | 67.82 | kJ/mol | Vapor p... |
| ΔfusH° | 67.46 | kJ/mol | Vapor p... |
| ΔfusH° | 67.09 | kJ/mol | Vapor p... |
| ΔfusH° | 67.00 | kJ/mol | Vapor p... |
| ΔfusH° | 66.72 | kJ/mol | Vapor p... |
| ΔfusH° | 66.48 | kJ/mol | Vapor p... |
| ΔfusH° | 66.36 | kJ/mol | Vapor p... |
| ΔfusH° | 66.30 | kJ/mol | Vapor p... |
| ΔfusH° | 66.10 | kJ/mol | Vapor p... |
| ΔfusH° | 65.99 | kJ/mol | Vapor p... |
| ΔfusH° | 65.95 | kJ/mol | Vapor p... |
| ΔfusH° | 65.94 | kJ/mol | Vapor p... |
| ΔfusH° | 65.63 | kJ/mol | Vapor p... |
| ΔfusH° | 65.42 | kJ/mol | Vapor p... |
| ΔfusH° | 65.42 | kJ/mol | Vapor p... |
| ΔfusH° | 65.26 | kJ/mol | Vapor p... |
| ΔfusH° | 64.89 | kJ/mol | Vapor p... |
| ΔfusH° | 64.90 | kJ/mol | Vapor p... |
| ΔfusH° | Outlier 50.51 | kJ/mol | Solid-L... |
| ΔvapH° | 54.68 | kJ/mol | Joback Calculated Property |
| log10WS | -2.04 | Crippen Calculated Property | |
| logPoct/wat | 1.244 | Crippen Calculated Property | |
| McVol | 143.540 | ml/mol | McGowan Calculated Property |
| Pc | 2800.00 | kPa | Critica... |
| Inp | 1273.00 | NIST | |
| I | 1850.00 | NIST | |
| Tboil | 498.70 | K | NIST |
| Tc | 715.85 | K | Joback Calculated Property |
| Tfus | 346.44 | K | Joback Calculated Property |
| Vc | 0.541 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [353.74; 427.57] | J/mol×K | [527.50; 715.85] |
|
| Cp,gas | 353.74 | J/mol×K | 527.50 | Joback Calculated Property |
| Cp,gas | 367.56 | J/mol×K | 558.89 | Joback Calculated Property |
| Cp,gas | 380.74 | J/mol×K | 590.28 | Joback Calculated Property |
| Cp,gas | 393.32 | J/mol×K | 621.67 | Joback Calculated Property |
| Cp,gas | 405.30 | J/mol×K | 653.07 | Joback Calculated Property |
| Cp,gas | 416.71 | J/mol×K | 684.46 | Joback Calculated Property |
| Cp,gas | 427.57 | J/mol×K | 715.85 | Joback Calculated Property |
| ΔfusH | [50.51; 50.98] | kJ/mol | [324.80; 324.90] |
|
| ΔfusH | 50.98 | kJ/mol | 324.80 | NIST |
| ΔfusH | 50.51 | kJ/mol | 324.90 | NIST |
| Psub | [1.50e-04; 6.27e-03] | kPa | [288.49; 313.51] |
|
| Psub | 1.50e-04 | kPa | 288.49 | Thermod... |
| Psub | 1.50e-04 | kPa | 288.49 | Thermod... |
| Psub | 1.50e-04 | kPa | 288.49 | Thermod... |
| Psub | 2.20e-04 | kPa | 290.99 | Thermod... |
| Psub | 2.20e-04 | kPa | 290.99 | Thermod... |
| Psub | 2.20e-04 | kPa | 290.99 | Thermod... |
| Psub | 3.20e-04 | kPa | 293.49 | Thermod... |
| Psub | 3.20e-04 | kPa | 293.49 | Thermod... |
| Psub | 3.20e-04 | kPa | 293.49 | Thermod... |
| Psub | 4.60e-04 | kPa | 295.99 | Thermod... |
| Psub | 4.60e-04 | kPa | 295.99 | Thermod... |
| Psub | 4.60e-04 | kPa | 295.99 | Thermod... |
| Psub | 6.80e-04 | kPa | 298.49 | Thermod... |
| Psub | 6.80e-04 | kPa | 298.49 | Thermod... |
| Psub | 6.80e-04 | kPa | 298.49 | Thermod... |
| Psub | 9.60e-04 | kPa | 300.99 | Thermod... |
| Psub | 9.60e-04 | kPa | 300.99 | Thermod... |
| Psub | 9.60e-04 | kPa | 300.99 | Thermod... |
| Psub | 1.41e-03 | kPa | 303.49 | Thermod... |
| Psub | 1.40e-03 | kPa | 303.49 | Thermod... |
| Psub | 1.40e-03 | kPa | 303.49 | Thermod... |
| Psub | 2.03e-03 | kPa | 306.00 | Thermod... |
| Psub | 2.03e-03 | kPa | 306.00 | Thermod... |
| Psub | 2.04e-03 | kPa | 306.00 | Thermod... |
| Psub | 2.98e-03 | kPa | 308.50 | Thermod... |
| Psub | 2.98e-03 | kPa | 308.50 | Thermod... |
| Psub | 2.98e-03 | kPa | 308.50 | Thermod... |
| Psub | 4.34e-03 | kPa | 311.01 | Thermod... |
| Psub | 4.32e-03 | kPa | 311.01 | Thermod... |
| Psub | 4.29e-03 | kPa | 311.01 | Thermod... |
| Psub | 6.27e-03 | kPa | 313.51 | Thermod... |
| Psub | 6.20e-03 | kPa | 313.51 | Thermod... |
| Psub | 6.25e-03 | kPa | 313.51 | Thermod... |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 408.20 | K | 2.70 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [380.52; 526.81] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.56443e+01 | |||
| Coefficient B | -4.62059e+03 | |||
| Coefficient C | -7.96360e+01 | |||
| Temperature range, min. | 380.52 | |||
| Temperature range, max. | 526.81 | |||
| Pvap | 1.33 | kPa | 380.52 | Calculated Property |
| Pvap | 2.93 | kPa | 396.77 | Calculated Property |
| Pvap | 5.96 | kPa | 413.03 | Calculated Property |
| Pvap | 11.35 | kPa | 429.28 | Calculated Property |
| Pvap | 20.42 | kPa | 445.54 | Calculated Property |
| Pvap | 34.93 | kPa | 461.79 | Calculated Property |
| Pvap | 57.21 | kPa | 478.05 | Calculated Property |
| Pvap | 90.14 | kPa | 494.30 | Calculated Property |
| Pvap | 137.23 | kPa | 510.56 | Calculated Property |
| Pvap | 202.64 | kPa | 526.81 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,8-Diaminooctane.
Mixtures
- 1,8-Diaminooctane + Naphthalene
- 1,8-Diaminooctane + Pentane
- n-Hexane + 1,8-Diaminooctane
- Heptane + 1,8-Diaminooctane
- Octane + 1,8-Diaminooctane
- Decane + 1,8-Diaminooctane
- 1-Pentene + 1,8-Diaminooctane
- 1-Hexene + 1,8-Diaminooctane
- 1-Heptene + 1,8-Diaminooctane
- 1-Octene + 1,8-Diaminooctane
- 1-Decene + 1,8-Diaminooctane
- 1,8-Diaminooctane + Methyl Alcohol
- Ethanol + 1,8-Diaminooctane
- 1-Propanol + 1,8-Diaminooctane
- 1-Butanol + 1,8-Diaminooctane
- Butane, 1-chloro- + 1,8-Diaminooctane
- 1,8-Diaminooctane + Pentane, 1-chloro-
- Hexane, 1-chloro- + 1,8-Diaminooctane
- Methylene chloride + 1,8-Diaminooctane
- 1,8-Diaminooctane + Carbon Tetrachloride
Find more mixtures with 1,8-Diaminooctane.
Sources
- Crippen Method
- Crippen Method
- Thermodynamic study of alkane-alpha,omega-diamines - Evidence of odd-even pattern of sublimation properties
- Vapor pressure and enthalpy of vaporization of linear aliphatic alkanediamines
- Solid-Liquid Equilibria of Naphthalene + Alkanediamine Mixtures
- Critical Pressures and Temperatures of n-Diaminoalkanes (C2 to C12)
- Activity Coefficients at Infinite Dilution by GLC in Alkanediamines as Stationary Phases
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.