Properties of 3-methylbut-1-yne
Thermophysical properties for 3-methylbut-1-yne (CAS: 598-23-2). 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
- CAS598-23-2
- FormulaC5H8
- ID598-23-2
- InChIC5H8/c1-4-5(2)3/h1,5H,2-3H3
- InChI KeyUSCSRAJGJYMJFZ-UHFFFAOYSA-N
- IUPAC Name3-methylbut-1-yne
- Molecular Weight (kg)68.117
- Phasel
- PubChem ID6.9019e+4
- SMILESCC(C)C#C
- Synonyms
Physical Properties
- Acentric factor0.308
- Critical pressure (bar)42
- Critical temperature (°C)190.05
- Critical volume (m³/kmol)0.275
- Dipole moment
- Melting temperature (°C)-89.85
- Normal boiling temperature (°C)28
State-dependent Properties
- API gravity79.0736
- Compressibility factor0.00421847
- Density (kg/m³)660.006
- Dynamic viscosity (cP)0.344911
- Enthalpy of vaporization (mass) (kJ)385.342
- Enthalpy of vaporization (molar) (kJ/kmol)2.6248e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.5003e-7
- Kinematic viscosity5.2259e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))133.556
- Molar volume (m³/kmol)0.103207
- Parachor3.7387e-5
- Poynting correction factor1.00057
- Prandtl number6.22128
- Saturation pressure (bar)0.877242
- Saturation temperature (°C)29.0334
- Solubility parameter1.5176e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.660655
- Specific heat capacity (kJ/kg·K)1.96069
- Surface tension0.0169316
- Thermal conductivity0.108702
- Thermal diffusivity8.4000e-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