1-ethyl-2,4-dimethylbenzene (CAS 874-41-9) – Thermophysical Properties

This page provides thermophysical, transport, safety, and environmental property data for 1-ethyl-2,4-dimethylbenzene, along with a property calculator for evaluating values at user-defined temperature and pressure conditions.

Input Conditions

Enter a pure component, temperature, and pressure.

Results

Calculated properties for the given state will appear here.

1-ethyl-2,4-dimethylbenzene

Identification

AtomsC: 10, H: 14
CAS874-41-9
FormulaC10H14
ID1-ethyl-2,4-dimethylbenzene
InChIC10H14/c1-4-10-6-5-8(2)7-9(10)3/h5-7H,4H2,1-3H3
InChI KeyMEMBJMDZWKVOTB-UHFFFAOYSA-N
IUPAC Name1-ethyl-2,4-dimethyl-benzene
Molecular Weight (kg/kmol)134.218
Phasel
PubChem ID1.3403e+4
SMILESCCC1=C(C=C(C=C1)C)C
Synonyms

Physical Properties

Acentric factor0.4331
Critical pressure (bar)28.9992
Critical temperature (°C)389.45
Critical volume (m³/kmol)0.482
Dipole moment
Melting temperature (°C)-62.95
Normal boiling temperature (°C)188

State-dependent Properties

API gravity33.2251
Compressibility factor0.00643562
Density (kg/m³)852.449
Dynamic viscosity (cP)0.497796
Joule–Thomson coefficient-4.8872e-7
Kinematic viscosity5.8396e-7
Molar enthalpy (kJ/kmol)0
Molar enthalpy of vaporization (kJ/kmol)5.2922e+4
Molar entropy (kJ/(kmol·K))0
Molar Gibbs free energy (kJ/kmol)0
Molar heat capacity (kJ/(kmol·K))253.146
Molar volume (m³/kmol)0.15745
Parachor6.6387e-5
Poynting correction factor1.00644
Prandtl number7.13456
Saturation pressure (bar)0.00196511
Saturation temperature (°C)188.202
Solubility parameter1.7899e+4
Specific enthalpy (kJ)0
Specific enthalpy of vaporization (kJ)394.298
Specific entropy (kJ/kg·K)0
Specific Gibbs free energy (kJ)0
Specific gravity0.853287
Specific heat capacity (kJ/kg·K)1.88608
Surface tension0.0307999
Thermal conductivity (W/m·K)0.131596
Thermal diffusivity8.1849e-8

Safety Properties

Autoignition temperature (°C)-273.15
Flash point temperature (°C)-273.15
Lower flammability limit0.0089708
Upper flammability limit0.0604963

Environmental Properties

Global warming potential
Ozone depletion potential

About This Property Calculator

This tool provides a comprehensive set of thermophysical, safety, and environmental properties for 1-ethyl-2,4-dimethylbenzene. By default, the state-dependent properties like density, viscosity, and heat capacity are calculated at standard conditions of 25 °C (298.15 K) and 1 atm (101325 Pa).

How to Calculate Properties at Different Conditions

You can use the interactive calculator above to compute properties at your desired temperature and pressure. Simply enter your target values in the input fields and click the "Calculate Properties" button. The results table will update with the new values.

For example, to find the density of liquid 1-ethyl-2,4-dimethylbenzene at 50 °C and 2 bar, you would:

  1. Select your preferred unit system (e.g., Metric).
  2. Enter "50" into the Temperature field.
  3. Enter "2" into the Pressure field.
  4. Click "Calculate Properties."

The calculator will then display the updated density and other state-dependent properties for these specific conditions. This functionality is essential for process design, equipment sizing, and safety analysis in chemical engineering.

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