Carbon disulfide (data page)

Chemical data page

This page provides supplementary chemical data on carbon disulfide.

## Material Safety Data Sheet

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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

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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

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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, ΔfusH ~~o~~ | 4.39 kJ/mol
Std entropy change
of fusion, ΔfusS ~~o~~ | ? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapH ~~o~~ | 27.65 kJ/mol
Std entropy change
of vaporization, ΔvapS ~~o~~ | 86.68 J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfH ~~o~~ solid | ? kJ/mol
Standard molar entropy,
S ~~o~~ solid | ? J/(mol K)
Heat capacity, cp | ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfH ~~o~~ liquid | 89.41 kJ/mol
Standard molar entropy,
S ~~o~~ liquid | 151.0 J/(mol K)
Enthalpy of combustion, ΔcH ~~o~~ liquid | –1687.2 kJ/mol
Heat capacity, cp | 78.99 J/(mol K) at 25 °C
Gas properties
Std enthalpy change
of formation, ΔfH ~~o~~ gas | 117.1 kJ/mol
Standard molar entropy,
S ~~o~~ gas | 237.98 J/(mol K) at 101.325 kPa
Enthalpy of combustion, ΔcH ~~o~~ gas | –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

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

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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:  log e ⁡ P m m H g = {\displaystyle \scriptstyle \log _{e}P_{mmHg}=} log e ⁡ ( 760 101.325 ) − 4.817221 log e ⁡ ( T + 273.15 ) − 4563.180 T + 273.15 + 46.19124 + 4.829056 × 10 − 06 ( T + 273.15 ) 2 {\displaystyle \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

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

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

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UV-Vis

λmax | ? nm
Extinction coefficient, ε  | ?

Major absorption bands  | ? cm−1
NMR
Proton NMR |
Carbon-13 NMR |
Other NMR data  |

Masses of
main fragments  |

## References

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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.

* Linstrom, Peter (1997). "NIST Standard Reference Database". National Institute of Standards and Technology. doi:10.18434/T4D303. `{{cite journal}}`: Cite journal requires `|journal=` (help)

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* Except where noted otherwise, data relate to Standard temperature and pressure.
* Reliability of data general note.