Compound Information 

Name: bis(2-methylpropyl) ether
Formula: C8H18O
Molar Mass: 130.231
Additional Names: isobutyl ether
1-isobutoxy-2-methylpropane
propane, 1-isobutoxy-2-methyl-
1,1'-oxybis(2-methylpropane)
propane, 1,1'-oxybis(2-methyl-
2,6-dimethyl-4-oxaheptane
diisobutyl ether
ether, diisobutyl
Image of bis(2-methylpropyl) ether
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Property Availability 

For this compound, WTT contains critically evaluated recommendations for:
(Please note that if more than 50 points are used for regression, only the 50 most-constraining points are reported)

  • Triple point temperature
    • Triple point temperature (Crystal 1, Liquid, and Gas)
      1 experimental data points
    • Triple point temperature (Crystal 2, Crystal 1, and Gas)
      1 experimental data points
  • Normal boiling temperature (Liquid and Gas)
    • Critical temperature (Liquid and Gas)
      • Critical pressure (Liquid and Gas)
        • Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
          Pressure from 7.20348e-005 kPa to 2311.93 kPa
          • Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
            Temperature from 190.4 K to 560.6 K
            16 experimental data points
            • Critical density (Liquid and Gas)
              • Density
                • Density (Liquid in equilibrium with Gas) as a function of Temperature
                  Temperature from 190.4 K to 560.6 K
                  20 experimental data points
                • Density (Gas) as a function of Temperature and Pressure
                  Temperature from 280 K to 560 K
                  Pressure from 0.0005 kPa to 500 kPa
                • Density (Gas in equilibrium with Liquid) as a function of Temperature
                  Temperature from 450.041 K to 560.6 K
              • Enthalpy of phase transition
                • Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
                  1 experimental data points
                • Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas)
                  1 experimental data points
              • Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
                Temperature from 190.4 K to 560.6 K
                • Heat capacity at saturation pressure
                  • Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature
                    Temperature from 190.4 K to 549.388 K
                    46 experimental data points
                  • Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
                    Temperature from 170.71 K to 190.4 K
                    14 experimental data points
                  • Heat capacity at saturation pressure (Crystal 2 in equilibrium with Gas) as a function of Temperature
                    Temperature from 0.0002 K to 170.71 K
                    50 experimental data points
                • Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
                  Temperature from 200 K to 1000 K
                  • Enthalpy
                    • Enthalpy (Crystal 2 in equilibrium with Gas) as a function of Temperature
                      Temperature from 0.0002 K to 170.71 K
                      26 experimental data points
                    • Enthalpy (Crystal 1 in equilibrium with Gas) as a function of Temperature
                      Temperature from 170.71 K to 190.4 K
                      3 experimental data points
                    • Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature
                      Temperature from 190.4 K to 549.388 K
                      20 experimental data points
                    • Enthalpy (Ideal Gas) as a function of Temperature
                      Temperature from 200 K to 1000 K
                  • Entropy
                    • Entropy (Crystal 2 in equilibrium with Gas) as a function of Temperature
                      Temperature from 0.0002 K to 170.71 K
                      26 experimental data points
                    • Entropy (Crystal 1 in equilibrium with Gas) as a function of Temperature
                      Temperature from 170.71 K to 190.4 K
                      3 experimental data points
                    • Entropy (Liquid in equilibrium with Gas) as a function of Temperature
                      Temperature from 190.4 K to 549.388 K
                      20 experimental data points
                    • Entropy (Ideal Gas) as a function of Temperature and Pressure
                      Temperature from 200 K to 1000 K
                  • Viscosity
                    • Viscosity (Gas) as a function of Temperature and Pressure
                      Temperature from 400 K to 840 K
                    • Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
                      Temperature from 270 K to 560 K
                  • Thermal conductivity
                    • Thermal conductivity (Gas) as a function of Temperature and Pressure
                      Temperature from 400 K to 840 K
                    • Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
                      Temperature from 200 K to 500 K
                  • Enthalpy of formation
                    • Enthalpy of formation (Gas)
                    • Enthalpy of formation (Liquid)

                  About WTT 

                  NIST/TRC Web Thermo Tables (WTT)
                  NIST Standard Reference Subscription Database 3 - Professional Edition
                  Version 2-2012-1-Pro

                  This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. These data were generated through dynamic data analysis, as implemented in the NIST ThermoData Engine software package [1, 2, 3, 4, 5, 6]. Some critically evaluated data from the historical TRC Thermodynamic Tables archive [7, 8] are included, also. As of May 2012, the Professional Edition contains information on 28432 compounds and total of 531486 evaluated data points. The properties covered by both versions (32 total) are described in Properties and Implemented Models.

                  Developed by Kenneth Kroenlein, Chris D. Muzny, Andrei F. Kazakov, Vladimir Diky, Robert D. Chirico, Joseph W. Magee, Ilmutdin Abdulagatov and Michael Frenkel.

                  Thermodynamics Research Center (TRC)
                  Thermophysical Properties Division
                  National Institute of Standards and Technology
                  Boulder CO 80305-3337

                  Questions and comments should be addressed to Dr. Michael Frenkel .

                  DISCLAIMER: The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high-quality copy of the database and to verify that the methods and data contained therein have been selected on the basis of sound scientific judgement. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the program and database.

                  Distributed by:
                  Standard Reference Data Program
                  National Institute of Standards and Technology
                  Gaithersburg MD 20899

                  Compound Information
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