Chloroform (data page)

Last updated

This page provides supplementary chemical data on chloroform.

Contents

Material Safety Data Sheet

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 and follow its directions.

Structure and properties

Structure and properties
Index of refraction, nD1.4459 at 19 °C
Abbe number ?
Dielectric constant, εr4.8069 ε0 at 20 °C
Bond strength  ?
Bond length [1] C-Cl 1.75 Å
Bond angle [1] Cl-C-Cl 110.3°
Dipole moment 1.08 D (gas)[ citation needed ]
1.04 D [2]
Magnetic susceptibility  ? – Close to that of Teflon
Surface tension 28.5 dyn/cm at 10 °C
27.1 dyn/cm at 20 °C
26.67 dyn/cm at 25 °C
23.44 dyn/cm at 50 °C
21.7 dyn/cm at 60 °C
20.20 dyn/cm at 75 °C
Viscosity [3] 0.786 mPa·s at –10 °C
0.699 mPa·s at 0 °C
0.563 mPa·s at 20 °C
0.542 mPa·s at 25 °C
0.464 mPa·s at 40 °C
0.389 mPa·s at 60 °C

Thermodynamic properties

Phase behavior
Triple point 209.61 K (–63.54 °C), ? Pa
Critical point 537 K (264 °C), 5328.68 kPa
Std enthalpy change
of fusion
, ΔfusHo
8.8 kJ/mol
Std entropy change
of fusion
, ΔfusSo
42 J/(mol·K)
Std enthalpy change
of vaporization
, ΔvapHo
31.4 kJ/mol
Std entropy change
of vaporization
, ΔvapSo
105.3 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
–134.3 kJ/mol
Standard molar entropy,
Soliquid
 ? J/(mol K)
Enthalpy of combustion –473.2 kJ/mol ΔcHo
Heat capacity, cp114.25 J/(mol K)
Gas properties
Std enthalpy change
of formation
, ΔfHogas
–103.18 kJ/mol
Standard molar entropy,
Sogas
295.6 J/(mol K) at 25 °C
Heat capacity, cp65.33 J/(mol K) at 25 °C
van der Waals' constants [4] a = 1537 L2 kPa/mol2
b = 0.1022 liter per mole

Vapor pressure of liquid

P in mm Hg11040100400760152038007600152003040045600
T in °C–58.0–29.7–7.110.442.761.383.9120.0152.3191.8237.5 

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

log10 of Chloroform vapor pressure. Uses formula:
log
e
[?]
P
m
m
H
g
=
{\displaystyle \scriptstyle \log _{e}P_{mmHg}=}
log
e
[?]
(
760
101.325
)
-
10.07089
log
e
[?]
(
T
+
273.15
)
-
6351.140
T
+
273.15
+
81.14393
+
9.127608
x
10
-
6
(
T
+
273.15
)
2
{\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-10.07089\log _{e}(T+273.15)-{\frac {6351.140}{T+273.15}}+81.14393+9.127608\times 10^{-6}(T+273.15)^{2}}
obtained from CHERIC LogChloroformVaporPressure.png
log10 of Chloroform vapor pressure. Uses formula: obtained from CHERIC

Distillation data

Vapor-liquid Equilibrium
for Chloroform/Ethanol
[6]
P = 101.325 kPa
BP
Temp.
°C
 % by mole chloroform
liquidvapor
78.150.00.0
78.070.521.59
77.831.023.01
76.812.217.45
74.905.8017.10
74.396.7219.40
73.558.3823.31
72.8510.5728.05
72.2411.8030.52
71.5813.1833.13
69.7217.6541.00
68.9519.6243.66
68.5820.7145.43
67.3523.8649.77
65.8928.5455.09
64.8732.3558.48
63.8836.0761.27
63.2339.3464.50
62.6141.3865.49
62.1744.4167.57
61.4849.9771.11
61.0053.9272.91
60.4954.7673.57
60.3559.6574.68
60.3061.6075.53
60.2063.0476.12
60.0964.4876.69
59.9766.9077.74
59.5472.0179.33
59.3279.0782.62
59.2682.9983.59
59.2884.9784.69
59.3185.9685.24
59.4689.9287.93
59.7291.1088.73
59.7092.4489.79
59.8493.9091.02
59.9195.2692.56
60.1896.1393.58
60.8898.8997.93
61.13100.00100.00
  
Vapor-liquid Equilibrium
for Chloroform/Acetone
[6]
P = 101.325 kPa
BP
Temp.
°C
 % by mole acetone
liquidvapor
62.117.54.9
63.4517.713.7
63.9522.919.1
64.1926.223.0
64.2928.525.9
64.4534.533.9
64.4735.735.6
64.4736.536.6
64.4638.739.6
64.4339.540.8
64.4040.442.0
64.2045.248.8
64.0546.651.0
64.0447.452.0
63.6751.957.9
63.1956.464.1
62.7359.467.9
62.4261.069.7
62.1662.471.5
61.2468.478.0
60.2374.784.0
57.2391.896.1
  
Vapor-liquid Equilibrium
for Chloroform/Methanol
[6]
P = 760 mm Hg
BP
Temp.
°C
 % by mole chloroform
liquidvapor
634.010.2
626.515.4
60.99.521.5
59.314.630.4
57.819.637.8
57.023.042.0
55.928.747.2
55.333.250.7
54.738.354.0
54.342.556.4
54.045.958.0
53.852.060.7
53.755.761.9
53.562.864.3
53.563.664.6
53.566.765.5
53.775.368.4
53.979.770.1
54.485.573.0
55.290.476.8
56.393.781.2
57.997.087.5

Spectral data

UV-Vis
λmax  ? nm
Extinction coefficient, ε ?
IR
Major absorption bands1215, 761, 668 cm1
NMR
Proton NMR δ CDCl3 7.26 (s, 1H)
Carbon-13 NMR δ CDCl3 77.2
Other NMR data 
MS
Masses of
main fragments
 

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References

  1. 1 2 R. Fourme, M. Renaud, C. R. Acad. Sci, Ser. C(Chim),1966, p. 69
  2. CRC Handbook of Chemistry and Physics. 89th ed./David R. Lide ed.-in-chief. CRC Press: Boca Raton, 2008. – p. 9–58
  3. Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674
  4. Lange's Handbook of Chemistry 10th ed, pp. 1522–1524
  5. "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 16 May 2007.
  6. 1 2 3 "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 17 May 2007.
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