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 directions. 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 tension[1] 35.3 dyn/cm at 0°C
32.3 dyn/cm at 20°C
Viscosity[2] 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, ΔfusHo		 4.39 kJ/mol
Std entropy change
of fusion, ΔfusSo		 ? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo		 27.65 kJ/mol
Std entropy change
of vaporization, ΔvapSo		 86.68 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		 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 change
of 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' constants[3] 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.

log10 of Carbon disulfide vapor pressure. Uses formula: \scriptstyle \log_e P_{mmHg} =\scriptstyle \log_e (\frac {760} {101.325}) - 4.817221\log_e(T+273.15) - \frac {4563.180} {T+273.15} + 46.19124 + 4.829056 \times 10^{-06} (T+273.15)^2 obtained from CHERIC[4]

Distillation data

Vapor-liquid Equilibrium
for Carbon disulfide/Methanol[5]
P = 760 mm Hg
BP
Temp.
°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

  1. ↑ Lange's Handbook of Chemistry, 10th ed. pp 1661-1663
  2. ↑ CRC Handbook of Chemistry and Physics, 44th ed. pp 2258-2263
  3. ↑ Lange's Handbook of Chemistry 10th ed, pp 1522-1524
  4. ↑ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 19 May 2007.
  5. ↑ "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 19 May 2007.

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

Disclaimer applies.

This article is issued from Wikipedia - version of the Wednesday, October 23, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.