Chloroform (data page)

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This page provides supplementary chemical data on chloroform.

1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Vapor pressure of liquid 5 Distillation data 6 Spectral data 7 References

[edit] 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 such as SIRI, and follow its directions. MSDS for chloroform available at Fisher Scientific

[edit] Structure and properties

Structure and properties

Index of refraction, n_D 1.490 at 19Â°C

Abbe number ?

Dielectric constant, Îµ_r 4.8069 Îµ₀ at 20 Â°C

Bond strength ?

Bond length ?

Bond angle ?

Dipole moment 1.08 D (gas)

Magnetic susceptibility ?

Surface tension 28.5 dyn/cm at 10Â°C
27.1 dyn/cm at 20Â°C
26.67 dyn/cm at 25Â°C
23.44 dyn/cm at 50Â°C
21.7 dyn/cm at 60Â°C
20.20 dyn/cm at 75Â°C

Viscosity^[1] 0.786 mPaÂ·s at â€“10Â°C
0.699 mPaÂ·s at 0Â°C
0.563 mPaÂ·s at 20Â°C
0.542 mPaÂ·s at 25 Â°C
0.464 mPaÂ·s at 40Â°C
0.389 mPaÂ·s at 60Â°C

[edit] Thermodynamic properties

Phase behavior

Triple point 209.61 K (â€“63.54 Â°C), ? Pa

Critical point 537 K (264 Â°C), 5328.68 kPa

Std enthalpy change
of fusion, Î”_fusH^o 8.8 kJ/mol

Std entropy change
of fusion, Î”_fusS^o 42 J/(molÂ·K)

Std enthalpy change
of vaporization, Î”_vapH^o 31.4 kJ/mol

Std entropy change
of vaporization, Î”_vapS^o ? J/(molÂ·K)

Solid properties

Std enthalpy change
of formation, Î”_fH^o_solid ? kJ/mol

Standard molar entropy,
S^o_solid ? J/(mol K)

Heat capacity, c_p ? J/(mol K)

Liquid properties

Std enthalpy change
of formation, Î”_fH^o_liquid â€“134.3 kJ/mol

Standard molar entropy,
S^o_liquid ? J/(mol K)

Enthalpy of combustion â€“473.2 kJ/mol Î”_cH^o

Heat capacity, c_p 114.25 J/(mol K)

Gas properties

Std enthalpy change
of formation, Î”_fH^o_gas â€“103.18 kJ/mol

Standard molar entropy,
S^o_gas 295.6 J/(mol K) at 25Â°C

Heat capacity, c_p 65.33 J/(mol K) at 25Â°C

van der Waals' constants^[2] a = 1537 L² kPa/mol²
b = 0.1022 liter per mole

[edit] Vapor pressure of liquid

P in mm Hg 1 10 40 100 400 760 1520 3800 7600 15200 30400 45600

T in Â°C â€“58.0 â€“29.7 â€“7.1 10.4 42.7 61.3 83.9 120.0 152.3 191.8 237.5 â€”

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

log10 of Chloroform vapor pressure. Uses formula: obtained from CHERIC

log₁₀ of Chloroform vapor pressure. Uses formula: $\scriptstyle \log_e P_{mmHg} =$ $\scriptstyle \log_e (\frac {760} {101.325}) - 10.07089 \log_e(T+273.15) - \frac {6351.140} {T+273.15} + 81.14393 + 9.127608 \times 10^{-6} (T+273.15)^2$ obtained from CHERIC^[3]

[edit] Distillation data

Vapor-liquid Equilibrium
for Chloroform/Ethanol^[4]
P = 101.325 kPa

BP
Temp.
Â°C % by mole chlorform

liquid vapor

78.15 0.0 0.0

78.07 0.52 1.59

77.83 1.02 3.01

76.81 2.21 7.45

74.90 5.80 17.10

74.39 6.72 19.40

73.55 8.38 23.31

72.85 10.57 28.05

72.24 11.80 30.52

71.58 13.18 33.13

69.72 17.65 41.00

68.95 19.62 43.66

68.58 20.71 45.43

67.35 23.86 49.77

65.89 28.54 55.09

64.87 32.35 58.48

63.88 36.07 61.27

63.23 39.34 64.50

62.61 41.38 65.49

62.17 44.41 67.57

61.48 49.97 71.11

61.00 53.92 72.91

60.49 54.76 73.57

60.35 59.65 74.68

60.30 61.60 75.53

60.20 63.04 76.12

60.09 64.48 76.69

59.97 66.90 77.74

59.54 72.01 79.33

59.32 79.07 82.62

59.26 82.99 83.59

59.28 84.97 84.69

59.31 85.96 85.24

59.46 89.92 87.93

59.72 91.10 88.73

59.70 92.44 89.79

59.84 93.90 91.02

59.91 95.26 92.56

60.18 96.13 93.58

60.88 98.89 97.93

61.13 100.00 100.00

Vapor-liquid Equilibrium
for Chloroform/Acetone^[4]
P = 101.325 kPa

BP
Temp.
Â°C % by mole acetone

liquid vapor

62.11 7.5 4.9

63.45 17.7 13.7

63.95 22.9 19.1

64.19 26.2 23.0

64.29 28.5 25.9

64.45 34.5 33.9

64.47 35.7 35.6

64.47 36.5 36.6

64.46 38.7 39.6

64.43 39.5 40.8

64.40 40.4 42.0

64.20 45.2 48.8

64.05 46.6 51.0

64.04 47.4 52.0

63.67 51.9 57.9

63.19 56.4 64.1

62.73 59.4 67.9

62.42 61.0 69.7

62.16 62.4 71.5

61.24 68.4 78.0

60.23 74.7 84.0

57.23 91.8 96.1

Vapor-liquid Equilibrium
for Chloroform/Methanol^[4]
P = 760 mm Hg

BP
Temp.
Â°C % by mole chloroform

liquid vapor

63 4.0 10.2

62 6.5 15.4

60.9 9.5 21.5

59.3 14.6 30.4

57.8 19.6 37.8

57.0 23.0 42.0

55.9 28.7 47.2

55.3 33.2 50.7

54.7 38.3 54.0

54.3 42.5 56.4

54.0 45.9 58.0

53.8 52.0 60.7

53.7 55.7 61.9

53.5 62.8 64.3

53.5 63.6 64.6

53.5 66.7 65.5

53.7 75.3 68.4

53.9 79.7 70.1

54.4 85.5 73.0

55.2 90.4 76.8

56.3 93.7 81.2

57.9 97.0 87.5

[edit] Spectral data

UV-Vis

Î»_max ? nm

Extinction coefficient, Îµ ?

Major absorption bands 1215, 761, 668 cm^âˆ’1

NMR

Proton NMR

Carbon-13 NMR

Other NMR data

Masses of
main fragments

[edit] References

^ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674 ^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524 ^ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved on 16 May 2007. ^ ^a ^b ^c "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved on 17 May 2007.

"NIST Standard Reference Database". Retrieved on 16 May 2007.

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

Disclaimer applies.

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