Properties of 1-heptyne
Thermophysical properties for 1-heptyne (CAS: 628-71-7). 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: 7, H: 12
- CAS628-71-7
- FormulaC7H12
- ID628-71-7
- InChIC7H12/c1-3-5-7-6-4-2/h1H,4-7H2,2H3
- InChI KeyYVXHZKKCZYLQOP-UHFFFAOYSA-N
- IUPAC Namehept-1-yne
- Molecular Weight (kg)96.1702
- Phasel
- PubChem ID1.2350e+4
- SMILESCCCCCC#C
- Synonyms
Physical Properties
- Acentric factor0.273
- Critical pressure (bar)32.1
- Critical temperature (°C)273.85
- Critical volume (m³/kmol)0.387
- Dipole moment
- Melting temperature (°C)-81
- Normal boiling temperature (°C)99.8
State-dependent Properties
- API gravity60.243
- Compressibility factor0.00539315
- Density (kg/m³)728.862
- Dynamic viscosity (cP)0.535879
- Enthalpy of vaporization (mass) (kJ)384.055
- Enthalpy of vaporization (molar) (kJ/kmol)3.6935e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.3523e-7
- Kinematic viscosity7.3523e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))192.289
- Molar volume (m³/kmol)0.131946
- Parachor5.1065e-5
- Poynting correction factor1.00511
- Prandtl number8.44155
- Saturation pressure (bar)0.0556384
- Saturation temperature (°C)99.9331
- Solubility parameter1.6160e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.729579
- Specific heat capacity (kJ/kg·K)1.99947
- Surface tension0.0219544
- Thermal conductivity0.126928
- Thermal diffusivity8.7096e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-2.15
- Lower flammability limit0.0107157
- Upper flammability limit0.0655045
Environmental Properties
- Global warming potential
- Ozone depletion potential