Properties of 2-Methyl-1-buten-3-yne
Thermophysical properties for 2-Methyl-1-buten-3-yne (CAS: 78-80-8). 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: 6
- CAS78-80-8
- FormulaC5H6
- ID78-80-8
- InChIC5H6/c1-4-5(2)3/h1H,2H2,3H3
- InChI KeyBOFLDKIFLIFLJA-UHFFFAOYSA-N
- IUPAC Name2-methylbut-1-en-3-yne
- Molecular Weight (kg)66.1011
- Phasel
- PubChem ID6.2323e+4
- SMILESC#CC(=C)C
- Synonyms
Physical Properties
- Acentric factor0.137
- Critical pressure (bar)43.8
- Critical temperature (°C)218.85
- Critical volume (m³/kmol)0.248
- Dipole moment0.51
- Melting temperature (°C)-113
- Normal boiling temperature (°C)33
State-dependent Properties
- API gravity67.8582
- Compressibility factor0.00386514
- Density (kg/m³)699.023
- Dynamic viscosity (cP)0.277986
- Enthalpy of vaporization (mass) (kJ)385.113
- Enthalpy of vaporization (molar) (kJ/kmol)2.5456e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.2962e-7
- Kinematic viscosity3.9768e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))119.134
- Molar volume (m³/kmol)0.0945621
- Parachor3.5267e-5
- Poynting correction factor1.00084
- Prandtl number4.32501
- Saturation pressure (bar)0.794242
- Saturation temperature (°C)32.0653
- Solubility parameter1.5588e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.699711
- Specific heat capacity (kJ/kg·K)1.80229
- Surface tension0.0190496
- Thermal conductivity0.115841
- Thermal diffusivity9.1948e-8
Safety Properties
- Autoignition temperature (°C)272
- Flash point temperature (°C)-54
- Lower flammability limit0.014
- Upper flammability limit0.0954293
Environmental Properties
- Global warming potential
- Ozone depletion potential