Benzene, 1,1-sulfinylbis(methylene)bis-

Name	benzyl sulfoxide
Synonyms	benzyl sulfoxide Dibenzylsulfoxide Dibenzyl sulfoxide (Sulfinylbis(methylene) sulfinylbis(methylene)dibenzene [(Benzylsulfinyl)methyl]benzene DIBENZYL SULFOXIDE FOR SYNTHESIS 1,1'-(sulfinylbis(methylene))bis-benzen Benzene, 1,1-sulfinylbis(methylene)bis-
CAS	621-08-9
EINECS	210-668-7
InChI	InChI=1/C14H14OS/c15-16(11-13-7-3-1-4-8-13)12-14-9-5-2-6-10-14/h1-10H,11-12H2

Molecular Formula	C14H14OS
Molar Mass	230.33
Density	1.1421 (rough estimate)
Melting Point	130-132°C(lit.)
Boling Point	342.33°C (rough estimate)
Water Solubility	318.82mg/L at 20℃
Solubility	0.3g/l
Vapor Presure	0Pa at 25℃
Appearance	Crystalline Powder
Color	Off-white to pale yellow
PH	6.0-6.5 (0.3g/l, H2O, 20℃)
Storage Condition	Store below +30°C.
Refractive Index	1.5700 (estimate)
MDL	MFCD00004782
Physical and Chemical Properties	Leaf-like crystals. Melting point 134 ℃, soluble in alcohol, ether and hot water, insoluble in cold water. 210 degrees C decomposition. Benzoic acid was generated by nitric acid. Deliquescence.

LogP	1.76 at 25℃
NIST chemical information	information provided by: webbook.nist.gov (external link)
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	organic synthesis intermediates.
production method	oxidation of dibenzyl sulfide with hydrogen peroxide or nitric acid: 214G (1.0mol) dibenzyl sulfide was dissolved in 1.8L of acetone, and 113g of 30% hydrogen peroxide was added thereto. The mixture was allowed to stand at room temperature for two days, and then acetone was distilled off to precipitate benzylsulfoxide crystals. Partial periodic acid (NaIO4) can also be used as the oxidant, with 1:1 methanol, water as the solvent, at 0 ° C. After adding benzyl sulfide for oxidation reaction for several hours, the reactant was extracted with chloroform, the extract was dried with anhydrous sulfuric acid, and the solvent was distilled off. It was recrystallized from ethanol to obtain pure dibenzylsulfoxide. The yield can reach 96%.

Last Update：2024-04-10 22:29:15

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Benzene, 1,1-sulfinylbis(methylene)bis-

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