Properties of 1-pentyne
Thermophysical properties for 1-pentyne (CAS: 627-19-0). 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: 5, H: 8
- CAS627-19-0
- FormulaC5H8
- ID627-19-0
- InChIC5H8/c1-3-5-4-2/h1H,4-5H2,2H3
- InChI KeyIBXNCJKFFQIKKY-UHFFFAOYSA-N
- IUPAC Namepent-1-yne
- Molecular Weight (kg)68.117
- Phasel
- PubChem ID1.2309e+4
- SMILESCCCC#C
- Synonyms
Physical Properties
- Acentric factor0.164
- Critical pressure (bar)40.53
- Critical temperature (°C)220.25
- Critical volume (m³/kmol)0.278
- Dipole moment0.85
- Melting temperature (°C)-106
- Normal boiling temperature (°C)39.9
State-dependent Properties
- API gravity70.1636
- Compressibility factor0.00404596
- Density (kg/m³)688.148
- Dynamic viscosity (cP)0.352839
- Enthalpy of vaporization (mass) (kJ)413.393
- Enthalpy of vaporization (molar) (kJ/kmol)2.8159e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.0177e-7
- Kinematic viscosity5.1274e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))133.556
- Molar volume (m³/kmol)0.098986
- Parachor3.6506e-5
- Poynting correction factor1.00173
- Prandtl number5.56934
- Saturation pressure (bar)0.580843
- Saturation temperature (°C)40.2153
- Solubility parameter1.6107e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.688825
- Specific heat capacity (kJ/kg·K)1.96069
- Surface tension0.0182025
- Thermal conductivity0.124217
- Thermal diffusivity9.2064e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0160256
- Upper flammability limit0.101981
Environmental Properties
- Global warming potential
- Ozone depletion potential