Properties of 1-octyne
Thermophysical properties for 1-octyne (CAS: 629-05-0). Use the selector below to view properties in different unit systems.
Calculation Conditions
The following state-dependent properties were calculated at these standard conditions.
Temperature
25 °C
Pressure
1.01325 bar
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Open CalculatorIdentification
- AtomsC: 8, H: 14
- CAS629-05-0
- FormulaC8H14
- ID629-05-0
- InChIC8H14/c1-3-5-7-8-6-4-2/h1H,4-8H2,2H3
- InChI KeyUMIPWJGWASORKV-UHFFFAOYSA-N
- IUPAC Nameoct-1-yne
- Molecular Weight (kg)110.197
- Phasel
- PubChem ID1.2370e+4
- SMILESCCCCCCC#C
- Synonyms
Physical Properties
- Acentric factor0.2619
- Critical pressure (bar)31.0054
- Critical temperature (°C)325.31
- Critical volume (m³/kmol)0.441
- Dipole moment
- Melting temperature (°C)-79
- Normal boiling temperature (°C)126.2
State-dependent Properties
- API gravity56.8497
- Compressibility factor0.00606491
- Density (kg/m³)742.664
- Dynamic viscosity (cP)0.67777
- Enthalpy of vaporization (mass) (kJ)378.669
- Enthalpy of vaporization (molar) (kJ/kmol)4.1728e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.4436e-7
- Kinematic viscosity9.1262e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))221.61
- Molar volume (m³/kmol)0.14838
- Parachor5.8221e-5
- Poynting correction factor1.00598
- Prandtl number10.3778
- Saturation pressure (bar)0.0175417
- Saturation temperature (°C)126.154
- Solubility parameter1.6264e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.743395
- Specific heat capacity (kJ/kg·K)2.01104
- Surface tension0.0231336
- Thermal conductivity0.13134
- Thermal diffusivity8.7940e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)16
- Lower flammability limit0.00986724
- Upper flammability limit0.0627915
Environmental Properties
- Global warming potential
- Ozone depletion potential