Back to main searchSearch for compound in NIST Webbook

NIST/TRC Web Thermo Tables (WTT)

Full access to WTT-Lite is available by subscription-only.

  • If you are a current subscriber, please log in here
  • If you would like to subscribe to WTT, please follow the links for WTT-Professional or WTT-Lite versions
  • Otherwise, you are welcome to continue browsing WTT content information (no actual data access will be given)

  • Formula: C4H10O
  • Name(s): diethyl ether; ethane, 1,1'-oxybis-; ether; ether, diethyl-; ethoxyethane; ethyl ether
  • Molecular weight: 74.12
 diethyl ether

Property Group Number of
properties		 Number of
data points
Critical Properties5 5
Property Number of
data points
Critical temperature, Tc 1
Critical pressure, pc 1
Critical density, ρc 1
Critical molar volume, Vc 1
Critical compressibility factor, Zc 1
Vapor Pressure and Boiling Temperatures2 32
Property Number of
data points
Normal boiling temperature, Tb 2
Vapor pressure, psat 32
Condensed phase Temperature ranges(K) Number of
data points
C2 149.87 1
C1 156.93 1
L 149.87 - 328.31 30
Phase Transition Properties6 14
Property Number of
data points
Triple point temperature, Ttp 2
Normal melting temperature, Tm 2
Enthalpy of vaporization, ΔvH 3
Phase 1 Phase 2 Temperature ranges(K) Number of
data points
L G 298.15 - 307.7 3
Enthalpy of phase transition, ΔtrH 2
Phase 1 Phase 2 Temperature ranges(K) Number of
data points
C2 L 149.87 1
C1 L 156.93 1
Entropy of vaporization, ΔvS 3
Phase 1 Phase 2 Temperature ranges(K) Number of
data points
L G 298.15 - 307.7 3
Entropy of phase transition, ΔtrS 2
Phase 1 Phase 2 Temperature ranges(K) Number of
data points
C2 L 149.87 1
C1 L 156.93 1
Volumetric Properties2 1177
Property Number of
data points
Specific density, ρ 1154
Phase 1Phase 2Data rangesNumber of
data points
Temperature(K) Pressure(kPa)
L G 293.15 - 353.15 103.3 - 401.5 16
L - 293.15 - 353.15 100 - 950000 1138
Second virial coefficient, B 23
Phase Temperature ranges(K) Number of
data points
G 233.35 - 2333.5 23
Heat Capacities and Derived Properties6 253
Property Number of
data points
Heat capacity at constant pressure, Cp 20
PhaseData rangesNumber of
data points
Temperature(K) Pressure(kPa)
L 298.15 100 1
IG 0 - 1500 100 19
Heat capacity at saturation, Csat 44
Phase 1 Phase 2 Temperature ranges(K) Number of
data points
C G 10 - 156.92 16
L G 156.92 - 460 28
Enthalpy, H (sat, T) - H (cr, 0 K) 44
Phase 1 Phase 2 Temperature ranges(K) Number of
data points
C G 10 - 156.92 16
L G 156.92 - 460 28
Entropy, S(T)-S(0 K) 63
Phase 1Phase 2Data rangesNumber of
data points
Temperature(K) Pressure(kPa)
C G 10 - 156.92 - 16
L G 156.92 - 460 - 27
L - 298.15 100 1
IG - 0 - 1500 100 19
Enthalpy function, {H°(T) - H°(0 K)}/T 19
PhaseData rangesNumber of
data points
Temperature(K) Pressure(kPa)
IG 0 - 1500 100 19
Gibbs energy function, -{G°(T) - G°(0 K)}/T 63
Phase 1Phase 2Data rangesNumber of
data points
Temperature(K) Pressure(kPa)
C G 10 - 156.92 - 16
L G 156.92 - 460 - 28
IG - 0 - 1500 100 19
Refraction, Surface Tension, and Speed of Sound1 2
Property Number of
data points
Refractive index, n 2
PhaseData rangesNumber of
data points
Temperature(K) Wavelength(nm)
L 293.15, 298.15 589.26 2
Reaction State-Change Properties2 42
Property Number of
data points
Enthalpy of formation, ΔfH° 21
PhaseData rangesNumber of
data points
Temperature(K) Pressure(kPa)
L 298.15 100 1
IG 0 - 1500 100 20
Gibbs energy of formation, ΔfG° 21
PhaseData rangesNumber of
data points
Temperature(K) Pressure(kPa)
L 298.15 100 1
IG 0 - 1500 100 20
© 2009 copyright by the US Secretary of Commerce on behalf of the United States of America. All rights reserved.
Privacy Policy / Security Notice / Accessibility Statement / Disclaimer / Freedom of Information Act (FOIA)
NIST is an agency of the U.S. Commerce Department's Technology Administration