Chemical Properties of 4,4'-Ditolyl sulfoxide (CAS 1774-35-2)

4,4'-Ditolyl sulfoxide

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InChI Key
Molecular Weight1
Other Names
  • Benzene, 1,1'-sulfinylbis[4-methyl-
  • Bis(p-methylphenyl) sulfoxide
  • Di-p-tolyl sulfoxide
  • Ditolyl sulfoxide
  • Ditolyl sulphoxide
  • NSC 73128
  • Sulfoxide, ditolyl
  • Toluene, 4,4'-sulfinylbis-
  • bis(p-tolyl)sulphoxide
  • p-Toluene, 1,1'-sulfinylbis-
  • p-Tolyl sulfoxide

Physical Properties

Property Value Unit Source
Δf 54.85 kJ/mol Joback Calculated Property
Δfgas -87.91 kJ/mol Joback Calculated Property
Δfus 27.07 kJ/mol Joback Calculated Property
Δvap 65.36 kJ/mol Joback Calculated Property
logPoct/wat 3.47 Crippen Calculated Property
Pc 2940.89 kPa Joback Calculated Property
Tboil 641.32 K Joback Calculated Property
Tc 886.29 K Joback Calculated Property
Tfus 361.90 K Joback Calculated Property
Vc 0.69 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 441.36 J/mol×K 641.32 Joback Calculated Property

Molecular Descriptors

Joback and Reid Groups
=C< (ring) 4
=O 1
-CH3 2
-S- 1
=CH- (ring) 8

Similar Compounds

Benzene, 1,1'-sulfonylbis(4-methyl-). Benzene, 1-methyl-4-(phenylsulfonyl)-. Di-(p-ethylphenyl)sulfone. Diphenyl sulfoxide. Benzonitrile, 4,4'-sulfonyldi. Diphenylsulfone, 4-chloro-4'-methyl-. Diphenyl sulfone. P,p'-sulfonyl dibenzoic acid. p,p'-Diaminodiphenyl sulfoxide. 2,4,4'-Trimethyldiphenylsulphone. Bis(p-chlorophenyl)sulfoxide. Benzoic acid, sulfonyl di-p,p'-dimethyl ester. Dapsone. Benzene, 1-fluoro-4-(phenylsulfonyl)-. 4-Bromophenyl sulfone.

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