Properties of 2-butyne
Thermophysical properties for 2-butyne (CAS: 503-17-3). 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: 4, H: 6
- CAS503-17-3
- FormulaC4H6
- ID503-17-3
- InChIC4H6/c1-3-4-2/h1-2H3
- InChI KeyXNMQEEKYCVKGBD-UHFFFAOYSA-N
- IUPAC Namebut-2-yne
- Molecular Weight (kg)54.0904
- Phasel
- PubChem ID1.0419e+4
- SMILESCC#CC
- Synonyms
Physical Properties
- Acentric factor0.1078
- Critical pressure (bar)49
- Critical temperature (°C)215.45
- Critical volume (m³/kmol)0.221
- Dipole moment0
- Melting temperature (°C)-32
- Normal boiling temperature (°C)27.1
State-dependent Properties
- API gravity71.6393
- Compressibility factor0.00322491
- Density (kg/m³)685.569
- Dynamic viscosity (cP)0.208783
- Enthalpy of vaporization (mass) (kJ)491.611
- Enthalpy of vaporization (molar) (kJ/kmol)2.6591e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.9348e-7
- Kinematic viscosity3.0454e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))104.096
- Molar volume (m³/kmol)0.0788986
- Parachor3.0159e-5
- Poynting correction factor1.00023
- Prandtl number3.30638
- Saturation pressure (bar)0.941063
- Saturation temperature (°C)26.9972
- Solubility parameter1.7482e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.686243
- Specific heat capacity (kJ/kg·K)1.92449
- Surface tension0.0210764
- Thermal conductivity0.121523
- Thermal diffusivity9.2107e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0203967
- Upper flammability limit0.111203
Environmental Properties
- Global warming potential
- Ozone depletion potential