tert-butyl methyl ether (CAS 1634-04-4) – Thermophysical Properties

This page provides thermophysical, transport, safety, and environmental property data for tert-butyl methyl ether, 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.

tert-butyl methyl ether

Identification

AtomsC: 5, H: 12, O: 1
CAS1634-04-4
FormulaC5H12O
IDtert-butyl methyl ether
InChIC5H12O/c1-5(2,3)6-4/h1-4H3
InChI KeyBZLVMXJERCGZMT-UHFFFAOYSA-N
IUPAC Name2-methoxy-2-methyl-propane
Molecular Weight (kg/kmol)88.1482
Phasel
PubChem ID1.5413e+4
SMILESCC(C)(C)OC
Synonyms

Physical Properties

Acentric factor0.267
Critical pressure (bar)34.3
Critical temperature (°C)223.95
Critical volume (m³/kmol)0.335
Dipole moment
Melting temperature (°C)-109
Normal boiling temperature (°C)55.1

State-dependent Properties

API gravity58.1592
Compressibility factor0.00489611
Density (kg/m³)735.885
Dynamic viscosity (cP)0.337563
Joule–Thomson coefficient-3.7528e-7
Kinematic viscosity4.5872e-7
Molar enthalpy (kJ/kmol)0
Molar enthalpy of vaporization (kJ/kmol)3.0172e+4
Molar entropy (kJ/(kmol·K))0
Molar Gibbs free energy (kJ/kmol)0
Molar heat capacity (kJ/(kmol·K))188.332
Molar volume (m³/kmol)0.119785
Parachor4.4084e-5
Poynting correction factor1.00329
Prandtl number5.7512
Saturation pressure (bar)0.333213
Saturation temperature (°C)55.0358
Solubility parameter1.5205e+4
Specific enthalpy (kJ)0
Specific enthalpy of vaporization (kJ)342.282
Specific entropy (kJ/kg·K)0
Specific Gibbs free energy (kJ)0
Specific gravity0.736609
Specific heat capacity (kJ/kg·K)2.13654
Surface tension0.0179883
Thermal conductivity (W/m·K)0.125403
Thermal diffusivity7.9760e-8

Safety Properties

Autoignition temperature (°C)385
Flash point temperature (°C)-27
Lower flammability limit0.015
Upper flammability limit0.084

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 tert-butyl methyl ether. 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 tert-butyl methyl ether 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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