This page provides supplementary chemical data on carbon disulfide.
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its direction. MSDS available from Mallinckrodt Baker
Structure and properties
Structure and properties Index of refraction, nD 1.6276 at 20 °C Abbe number? Dielectric constant, εr 2.641 ε0 at 20 °C Bond strength ? Bond length ? Bond angle ? Magnetic susceptibility ? Surface tensionLange's Handbook of Chemistry, 10th ed. pp. 1661–1663 35.3 dyn/cm at 0 °C32.3 dyn/cm at 20 °C ViscosityCRC Handbook of Chemistry and Physics, 44th ed. pp. 2258–2263 0.495 mPa·s at –10 °C0.436 mPa·s at 0 °C0.380 mPa·s at 5 °C0.363 mPa·s at 20 °C
Thermodynamic properties
Phase behavior Triple point 161.11 K (–112.04 °C), ? Pa Critical point 552 K (279 °C), 7900.00 kPa Std enthalpy changeof fusion, ΔfusHo 4.39 kJ/mol Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo 27.65 kJ/mol Std entropy changeof vaporization, ΔvapSo 86.68 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 89.41 kJ/mol Standard molar entropy,Soliquid 151.0 J/(mol K) Enthalpy of combustion, ΔcHoliquid –1687.2 kJ/mol Heat capacity, cp 78.99 J/(mol K) at 25 °C Gas properties Std enthalpy changeof formation, ΔfHogas 117.1 kJ/mol Standard molar entropy,Sogas 237.98 J/(mol K) at 101.325 kPa Enthalpy of combustion, ΔcHogas –1112 kJ/mol Heat capacity, cp 45.66 J/(mol K) van der Waals' constantsLange's Handbook of Chemistry 10th ed, pp. 1522–1524 a = 1177 L2 kPa/mol2 b = 0.07685 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 –73.8 –44.7 –22.5 –5.1 28.0 46.5 69.1 104.8 136.3 175.5 222.8 256.0 Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
Distillation data Vapor-liquid Equilibriumfor Carbon disulfide/MethanolP = 760 mm Hg BPTemp.°C % by mole carbon disulfide liquid vapor 58.8 1.3 20.6 53.0 2.5 34.9 47.8 4.5 48.7 43.5 9.9 65.3 42.8 10.6 65.9 40.0 15.1 67.6 38.9 19.4 70.1 38.5 20.0 69.1 38.0 34.0 69.8 37.8 64.9 70.1 37.6 70.0 70.1 37.9 75.7 70.5 37.8 90.3 72.3 37.7 91.6 73.4 37.8 92.8 72.7 38.2 93.0 72.9 41.0 99.0 84.4 44.1 99.7 99.5
Spectral data
UV-Vis λmax ? nm Extinction coefficient, ε ? IR Major absorption bands ? cm−1 NMR Proton NMR Carbon-13 NMR Other NMR data MS Masses of main fragments
References