title: Carbon disulfide (data page)
text: # Carbon disulfide (data page)
  
  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, $n_D$ | 1.6276 at 20 °C |
  | - | - |
  | Abbe number | ? |
  | Dielectric constant, $ε_r$ | 2.641 $ε_0$ at 20 °C |
  | Bond strength | ? |
  | Bond length | ? |
  | Bond angle | ? |
  | Magnetic susceptibility | ? |
  | Surface tension | 35.3 dyn/cm at 0 °C 32.3 dyn/cm at 20 °C |
  | Viscosity | 0.495 mPa·s at –10 °C 0.436 mPa·s at 0 °C 0.380 mPa·s at 5 °C 0.363 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 change of fusion, $Δ_{fus}H^o$ | 4.39 kJ/mol |
  | Std entropy change of fusion, $Δ_{fus}S^o$ | ? J/(mol·K) |
  | Std enthalpy change of vaporization, $Δ_{vap}H^o$ | 27.65 kJ/mol |
  | Std entropy change of vaporization, $Δ_{vap}S^o$ | 86.68 J/(mol·K) |
  | Solid properties ||
  | Std enthalpy change of formation, $Δ_fH^o_{solid}$ | ? 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, $Δ_fH^o_{liquid}$ | 89.41 kJ/mol |
  | Standard molar entropy, $S^o_{liquid}$ | 151.0 J/(mol K) |
  | Enthalpy of combustion, $Δ_cH^o_{liquid}$ | –1687.2 kJ/mol |
  | Heat capacity, $c_p$ | 78.99 J/(mol K) at 25 °C |
  | Gas properties ||
  | Std enthalpy change of formation, $Δ_fH^o_{gas}$ | 117.1 kJ/mol |
  | Standard molar entropy, $S^o_{gas}$ | 237.98 J/(mol K) at 101.325 kPa |
  | Enthalpy of combustion, $Δ_cH^o_{gas}$ | –1112 kJ/mol |
  | Heat capacity, $c_p$ | 45.66 J/(mol K) |
  | van der Waals' constants | a = 1177 $L^2$ $kPa/mol^2$ b = 0.07685 liter per mole |
  
  ## Vapor pressure of liquid
  
  | P in mm Hg | P in mm Hg | 1 | 10 | 40 | 100 | 400 | 760 | 1520 | 3800 | 7600 | 15200 | 30400 | 45600 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | T in °C | 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 Equilibrium for Carbon disulfide/Methanol P = 760 mm Hg :
  
  | BP Temp. °C | % by mole carbon disulfide | % by mole carbon disulfide |
  | - | - | - |
  | BP Temp. °C | 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 :
  
  | $λ_{max}$ | ? nm |
  | - | - |
  | Extinction coefficient, ε | ? |
  | IR ||
  | Major absorption bands | ? $cm^{−1}$ |
  | NMR ||
  | Proton NMR | |
  | Carbon-13 NMR | |
  | Other NMR data | |
  | MS ||
  | Masses of main fragments | |
  