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Tetrahydrofuran (data page)

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Chemical data page

This page provides supplementary chemical data ontetrahydrofuran.

Material Safety Data Sheet

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The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such asSIRI, and follow its directions. MSDS is available atMallinckrodt Baker.

Structure and properties

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Structure and properties
Index of refraction,nD1.4040 at 25°C
Abbe number?
Dielectric constant, εr[1]7.52 ε0 at 22 °C
Bond strength?
Bond length?
Bond angle?
Magnetic susceptibility?
Viscosity[1]0.456 mPa·s at 25°C

Thermodynamic properties

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Phase behavior
Triple point164.76 K (−108.39 °C), ? Pa
Critical point541 K (268 °C), 5190 kPa
Std enthalpy change
of fusion, ΔfusHo		8.540 kJ/mol
Std entropy change
of fusion, ΔfusSo		51.8 J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo		32 kJ/mol
Std entropy change
of vaporization, ΔvapSo		51.8 J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		? kJ/mol
Standard molar entropy,
Sosolid		? J/(mol K)
Heat capacity,cp[2]81.65 J/(mol K) at −108.39°C
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		? kJ/mol
Standard molar entropy,
Soliquid		203.8 J/(mol K)
Enthalpy of combustion, ΔcHo−2501.2 kJ/mol
Heat capacity,cp[2]107.4 J/(mol K) at −108.39 °C

123.9 J/(mol K) at 25°C

Gas properties
Std enthalpy change
of formation, ΔfHogas		−184.2 kJ/mol
Standard molar entropy,
Sogas		301.7 J/(mol K)
Heat capacity,cp76.6 J/(mol K) at 25°C

Vapor pressure of liquid

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Vapor pressure 143 mm Hg at 20°C[1]

P in mBar[3]9.919.536.363.91071732684025868311013
T in °C−30−20−10010203040506066
log10 Tetrahydrofuran vapor pressure. Uses formula:loge⁡PmmHg={\displaystyle \scriptstyle \log _{e}P_{mmHg}=}loge⁡(760101.325)−9.608804loge⁡(T+273.15)−6339.983T+273.15+78.35769+8.183476×10−06(T+273.15)2{\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-9.608804\log _{e}(T+273.15)-{\frac {6339.983}{T+273.15}}+78.35769+8.183476\times 10^{-06}(T+273.15)^{2}} obtained from CHERIC[4]

Distillation data

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Vapor-Liquid Equilibrium
of Tetrahydrofuran/Ethanol[5]
P = 100 kPa
BP
Temp.
°C		% by mole THF
liquidvapor
78.0.000.00
77.41.723.69
76.25.3611.5
73.813.926.4
71.026.342.8
67.749.762.8
67.254.365.4
65.971.576.2
65.485.786.5
65.290.890.8
65.491.891.48
65.494.9994.46
65.598.1597.9
65.6100.0100.0

Spectral data

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UV-Vis
λmax?nm
Extinction coefficient, ε?
IR
Major absorption bands?cm−1
NMR
Proton NMR 
Carbon-13 NMR 
Other NMR data 
MS
Masses of
main fragments		 
  This box:  

References

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  1. ^abc"Tetrahydrofuran Physical Properties". Sigma-Aldrich. Retrieved25 June 2009.
  2. ^abLebedev, B.V; Rabinovich, I.B; Milov, V.I; Lityagov, V.Ya (1 April 1978)."Thermodynamic properties of tetrahydrofuran from 8 to 322 K".The Journal of Chemical Thermodynamics.10 (4):321–329.doi:10.1016/0021-9614(78)90064-2.ISSN 0021-9614.
  3. ^"Tetrahydrofuran (THF) Storage and Handling"(PDF). BASF. Archived fromthe original(PDF) on 9 March 2008. Retrieved24 May 2007.
  4. ^"Pure Component Properties". Chemical Engineering Research Information Center. Retrieved24 May 2007.
  5. ^"Binary Vapor-Liquid Equilibrium Data". Chemical Engineering Research Information Center. Archived fromthe original on 29 August 2007. Retrieved24 May 2007.

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