Toluene (data page)

Toluene (data page)
This page provides supplementary chemical data on toluene.

MSDS sheets

Structure and properties

Structure and properties
Index of refraction, nD 1.4969 at 20°C
Abbe number ?
Dielectric constant, εr 2.379 ε0 at 25°C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Surface tension 28.52 dyn/cm at 25°C
Viscosity
1.1813 mPa·s at –25°C
1.0787 mPa·s at –20°C
0.9888 mPa·s at –15°C
0.9095 mPa·s at –10°C
0.8393 mPa·s at –5°C
0.7770 mPa·s at 0°C
0.7214 mPa·s at 5°C
0.6717 mPa·s at 10°C
0.6270 mPa·s at 15°C
0.5867 mPa·s at 20°C
0.5503 mPa·s at 25°C
0.5173 mPa·s at 30°C
0.4873 mPa·s at 35°C
0.4599 mPa·s at 40°C
0.4349 mPa·s at 45°C
0.4120 mPa·s at 50°C

Thermodynamic properties

Phase behavior
Triple point 178.15 K (−94.99 °C), ? Pa
Critical point ? K (318.64 °C), 4.109 MPa
Std enthalpy change
of fusionΔfusHo 		6.636 kJ/mol
Std entropy change
of fusionΔfusSo 		37.25 J/(mol·K)
Std enthalpy change
of vaporizationΔvapHo 		38.06 kJ/mol
Std entropy change
of vaporizationΔvapSo 		87.30 J/(mol·K)
Solid properties
Std enthalpy change
of formation ΔfHosolid 		? kJ/mol
Standard molar entropy
Sosolid 		? J/(mol K)
Heat capacity cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation ΔfHoliquid 		−12.0 kJ/mol
Standard molar entropy
Soliquid 		220.96 J/(mol K)
Heat capacity cp 155.96 J/(mol K)
Gas properties
Std enthalpy change
of formation ΔfHogas 		+50.00 kJ/mol
Standard molar entropy
Sogas 		? J/(mol K)
Heat capacity cp 103.7 J/(mol K)
van der Waals' constants a = 2438 L2 kPa/mol2
b = 0.1463 liter per mole

Vapor pressure of liquid

P in mm Hg 1 10 40 100 400 760 1520 3800 7600 15200 30400 45600
T in °C –26.7 6.4 31.8 51.9 89.5 110.6 136.5 178.0 215.8 262.5 319.0  —
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.


Spectral data

UV-Vis
Spectrum NIST
Lambda-max 253, 259, 261, 268nm
Log Ε 2.36, 2.42, 2.43, 2.27
IR
Spectrum NIST
Major absorption bands 3028, 1605, 1496, 729, 696 cm−1
NMR
Proton NMR ?
Carbon-13 NMR ?
Other NMR data ?
MS
Masses of
main fragments 		?
Except where noted otherwise, data are given for
standard ambient temperature and pressure (25°C, 101.3 kPa)
Chemical infobox

References

NIST website

Except where noted otherwise, data relate to standard ambient temperature and pressure.

Chemical infobox applies.

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Last updated on Friday October 26, 2007 at 10:40:32 PDT (GMT -0700)
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