This page provides supplementary chemical data on chloroform.

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Safety Data Sheet (SDS) for this chemical from a reliable source and follow its directions. SIRI Science Stuff Fisher Scientific

Structure and properties

Structure and properties Index of refraction, nD 1.4459 at 19 °C Abbe number? Dielectric constant, εr 4.8069 ε0 at 20 °C Bond strength ? Bond lengthR. Fourme, M. Renaud, C. R. Acad. Sci, Ser. C(Chim),1966, p. 69 C-Cl 1.75 Å Bond angle Cl-C-Cl 110.3° Dipole moment 1.01 D (gas)1.04 DCRC Handbook of Chemistry and Physics. 89th ed./David R. Lide ed.-in-chief. CRC Press: Boca Raton, 2008. – p. 9–58 Magnetic susceptibility 59,3−6cm3/molSmith, George W. (1980). "Diamagnetic Susceptibilities of Organic Compounds". Robert C. Weast (Ed.). CRC Handbook of Chemistry and Physics (61st ed.). Florida, USA. CRC Press. s. E-130. Surface tension 28.5 dyn/cm at 10 °C27.1 dyn/cm at 20 °C26.67 dyn/cm at 25 °C23.44 dyn/cm at 50 °C21.7 dyn/cm at 60 °C20.20 dyn/cm at 75 °C ViscosityLange's Handbook of Chemistry, 10th ed. pp. 1669–1674 0.786 mPa·s at –10 °C0.699 mPa·s at 0 °C0.563 mPa·s at 20 °C0.542 mPa·s at 25 °C0.464 mPa·s at 40 °C0.389 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 changeof fusion, ΔfusHo 8.8 kJ/mol Std entropy changeof fusion, ΔfusSo 42 J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo 31.4 kJ/mol Std entropy changeof vaporization, ΔvapSo 105.3 J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid ? kJ/mol Standard molar entropy,Sosolid ? J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof formation, ΔfHoliquid –134.3 kJ/mol Standard molar entropy,Soliquid ? J/(mol K) Enthalpy of combustion –473.2 kJ/mol ΔcHo Heat capacity, cp 114.25 J/(mol K) Gas properties Std enthalpy changeof formation, ΔfHogas –103.18 kJ/mol Standard molar entropy,Sogas 295.6 J/(mol K) at 25 °C Heat capacity, cp 65.33 J/(mol K) at 25 °C van der Waals' constantsLange's Handbook of Chemistry 10th ed, pp. 1522–1524 a = 1537 L2 kPa/mol2 b = 0.1022 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 –58.0 –29.7 –7.1 10.4 42.7 61.3 83.9 120.0 152.3 191.8 237.5  — Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

Distillation data Vapor-liquid Equilibriumfor Chloroform/EthanolP = 101.325 kPa BPTemp.°C % by mole chloroform 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 Equilibriumfor Chloroform/AcetoneP = 101.325 kPa BPTemp.°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 Equilibriumfor Chloroform/MethanolP = 760 mm Hg BPTemp.°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

Spectral data

UV-Vis λmax ? nm Extinction coefficient, ε ? IR Major absorption bands 1215, 761, 668 cm−1 NMR Proton NMR δ CDCl3 7.26 (s, 1H) Carbon-13 NMR δ CDCl3 77.2 Other NMR data   MS Masses of main fragments  

References