Chemical Properties of Diphenyl sulfoxide (CAS 945-51-7)

Diphenyl sulfoxide

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InChI
InChI=1S/C12H10OS/c13-14(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H
InChI Key
JJHHIJFTHRNPIK-UHFFFAOYSA-N
Formula
C12H10OS
SMILES
O=S(c1ccccc1)c1ccccc1
Molecular Weight1
202.27
CAS
945-51-7
Other Names
  • Benzene, 1,1'-sulfinylbis-
  • Diphenyl sulphoxide
  • Phenyl sulfoxide
  • Phenylsulfinylbenzene
  • Sulfoxide, diphenyl
Sources

Physical Properties

Property Value Unit Source
Δcsolid -6763.40 ± 0.40 kJ/mol NIST
Δf 57.27 kJ/mol Joback Calculated Property
Δfgas 107.00 ± 3.00 kJ/mol NIST
Δfsolid 10.00 ± 1.00 kJ/mol NIST
Δfus 22.67 kJ/mol Joback Calculated Property
Δsub 97.00 ± 3.00 kJ/mol NIST
Δvap 59.58 kJ/mol Joback Calculated Property
IE [8.30; 9.02] eV Show Hide
IE 8.30 eV NIST
IE 9.02 ± 0.05 eV NIST
IE 9.02 eV NIST
IE 8.58 eV NIST
logPoct/wat 2.85 Crippen Calculated Property
Pc 3801.00 kPa Joback Calculated Property
Tboil 585.60 K Joback Calculated Property
Tc 839.81 K Joback Calculated Property
Tfus [342.15; 344.00] K Show Hide
Tfus 344.00 ± 3.00 K NIST
Tfus 343.00 ± 3.00 K NIST
Tfus 342.15 ± 1.50 K NIST
Tfus 342.55 ± 0.60 K NIST
Vc 0.58 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 344.78 J/mol×K 585.6 Joback Calculated Property
Cp,solid 239.70 J/mol×K 298.5 NIST

Molecular Descriptors

Joback and Reid Groups
=C< (ring) 2
-S- 1
=O 1
=CH- (ring) 10

Similar Compounds

Diphenyl sulfone. p,p'-Diaminodiphenyl sulfoxide. 4,4'-Ditolyl sulfoxide. Bis(p-chlorophenyl)sulfoxide. Dapsone. Benzene, 1-fluoro-4-(phenylsulfonyl)-. 4-Bromophenyl sulfone. Benzene, 1-methyl-4-(phenylsulfonyl)-. Benzene, 1,1'-sulfonylbis(4-methyl-). Diphenyl sulfide. Di-(p-ethylphenyl)sulfone. Benzonitrile, 4,4'-sulfonyldi. Diphenylsulfone, 4-chloro-4'-methyl-. Thianthrene, 5-oxide. Benzenamine, 4,4'-thiobis-.

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