Toluene (data page)

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This page provides supplementary chemical data on toluene.

MSDS sheets[edit]

Structure and properties[edit]

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[edit]

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[edit]

P in mm Hg 1 10 40 100 400 760 1520 3800 7600 15200 30400 45600
T in °C -25 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.

log10 of Toluene vapor pressure. Uses formula: \scriptstyle \log_{10} P_{mmHg} = 6.95464 - \frac {1344.8} {T+219.482} obtained from Lange's Handbook of Chemistry, 10th ed.

Spectral data[edit]

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 (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

References[edit]

  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

NIST website

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

Disclaimer applies.