Properties of methyl isocyanate
Thermophysical properties for methyl isocyanate (CAS: 624-83-9). 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
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsC: 2, H: 3, N: 1, O: 1
- CAS624-83-9
- FormulaC2H3NO
- ID624-83-9
- InChIC2H3NO/c1-3-2-4/h1H3
- InChI KeyHAMGRBXTJNITHG-UHFFFAOYSA-N
- IUPAC Namemethylimino(oxidanylidene)methane
- Molecular Weight (kg)57.0513
- Phasel
- PubChem ID1.2228e+4
- SMILESCN=C=O
- Synonyms
Physical Properties
- Acentric factor0.2744
- Critical pressure (bar)55.7287
- Critical temperature (°C)217.85
- Critical volume (m³/kmol)0.167
- Dipole moment
- Melting temperature (°C)-62.5
- Normal boiling temperature (°C)38.3
State-dependent Properties
- API gravity16.5144
- Compressibility factor0.0024831
- Density (kg/m³)939.116
- Dynamic viscosity (cP)0.284232
- Enthalpy of vaporization (mass) (kJ)526.485
- Enthalpy of vaporization (molar) (kJ/kmol)3.0037e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.3715e-7
- Kinematic viscosity3.0266e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))82.7844
- Molar volume (m³/kmol)0.06075
- Parachor2.4801e-5
- Poynting correction factor1.00104
- Prandtl number2.6821
- Saturation pressure (bar)0.588292
- Saturation temperature (°C)38.7914
- Solubility parameter2.1298e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.94004
- Specific heat capacity (kJ/kg·K)1.45105
- Surface tension0.0275022
- Thermal conductivity0.153773
- Thermal diffusivity1.1284e-7
Safety Properties
- Autoignition temperature (°C)517
- Flash point temperature (°C)-35
- Lower flammability limit0.053
- Upper flammability limit0.26
Environmental Properties
- Global warming potential
- Ozone depletion potential