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]
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 591.79 K (318.64 °C), 4.109 MPa
Std enthalpy change
of fusion
ΔfusHo
6.636 kJ/mol
Std entropy change
of fusion
ΔfusSo
37.25 J/(mol·K)
Std enthalpy change
of vaporization
ΔvapHo
38.06 kJ/mol
Std entropy change
of vaporization
ΔvapSo
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 liquid 181,2 J/(mol K)
Heat capacity cp gas 103,6 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[2] 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 -25 6.4 35 42

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 cm1
NMR
Proton NMR (CDCl3, 300 MHz) δ 7.17-7.11 (m, 2H), 7.08-7.01 (m, 3H), 2.32 (s, 3H)
Carbon-13 NMR (CDCl3, 100 MHz) δ 137.7, 128.7, 127.9, 125.0, 20.8
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)
Disclaimer and references

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

References

  1. "Pure Component Database" (Queriable database). Chemical Engineering Research Information Center. Retrieved 12 May 2007.
  2. Lange's Handbook of Chemistry 10th ed, pp 1522-1524

External links

Disclaimer applies.

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