Chemical Properties of Butane, 2,2'-thiobis- (CAS 626-26-6)

Butane, 2,2'-thiobis-

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InChI Key
Molecular Weight1
Other Names
  • 3,5-Dimethyl-4-thiaheptane
  • Di-(2-butyl)sulfide
  • Di-sec-Butyl thioether
  • Di-sec-butyl sulfide
  • di-sec-butyl sulphide
  • sec-Butyl Sulfide

Physical Properties

Property Value Unit Source
Δf 44.72 kJ/mol Joback Calculated Property
Δfgas -177.14 kJ/mol Joback Calculated Property
Δfus 13.56 kJ/mol Joback Calculated Property
Δvap [43.80; 49.30] kJ/mol Show Hide
Δvap 47.00 kJ/mol NIST
Δvap 43.80 kJ/mol NIST
Δvap 43.80 ± 0.10 kJ/mol NIST
Δvap 49.30 ± 0.80 kJ/mol NIST
logPoct/wat 3.32 Crippen Calculated Property
Pc 2621.78 kPa Joback Calculated Property
Tboil 438.20 K NIST
Tc 644.50 K Joback Calculated Property
Tfus 184.32 K Joback Calculated Property
Vc 0.53 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 287.13 J/mol×K 450.34 Joback Calculated Property
ΔvapH [41.40; 46.40] kJ/mol [293.00; 430.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 44.80 kJ/mol 293.0 NIST
ΔvapH 44.90 kJ/mol 296.5 NIST
ΔvapH 42.30 kJ/mol 337.5 NIST
ΔvapH 42.40 kJ/mol 372.0 NIST
ΔvapH 41.40 kJ/mol 399.5 NIST
ΔvapH 46.40 kJ/mol 430.0 NIST

Molecular Descriptors

Joback and Reid Groups
>CH- 2
-CH2- 2
-CH3 4
-S- 1

Similar Compounds

Sulfide, sec-butyl isopropyl. 3-methyl-4-thiaheptane. Butane, 2-(ethylthio)-. n-Butyl sec-butyl sulfide. sec-Butyl isobutyl sulfide. sec-Butyl t-butyl sulfide. 3,5,6-trimethyl-4-thiaheptane. 2,3,5,6-tetramethyl-4-thiaheptane. 3,5,5-trimethyl-4-thiaheptane. 3,3,5,5-tetramethyl-4-thiaheptane. 3-methyl-4-thianonane. 2,4,5-trimethyl-3-thiahexane. 2,3-dimethyl-4-thiaheptane. 3,3-dimethyl-4-thiaheptane. 3-(1-Methyl-3-oxo-propylsulfanyl)-butyraldehyde.

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