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, 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: ${\displaystyle \scriptstyle \log _{e}P_{mmHg}=}$${\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

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.

• Linstrom, Peter (1997). "NIST Standard Reference Database". National Institute of Standards and Technology. doi:10.18434/T4D303.

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