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Diphenyl sulfone Basic information

Product Name:	Diphenyl sulfone
Synonyms:	Benzene, 1,1'-sulfonylbis-;Difenylsulfon;dlphenylsulfone;Phenyl sulphone;phenylsulphone;s-127;s-97;Sulfone, diphenyl
CAS:	127-63-9
MF:	C12H10O2S
MW:	218.27
EINECS:	204-853-1
Product Categories:	Flexibilizer,acaricide and organic synthesis;Biochemistry;Color Former & Related Compounds;Diphenyl Sulfones (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;Reagents for Oligosaccharide Synthesis;Sensitizer;127-63-9
Mol File:	127-63-9.mol

Diphenyl sulfone Chemical Properties

Melting point	123-129 °C (lit.)
Boiling point	379 °C (lit.)
density	1.36
vapor pressure	0.001Pa at 50℃
refractive index	1.5200 (estimate)
Fp	184°C
storage temp.	Sealed in dry,Room Temperature
solubility	>14mg/l
form	Crystalline Powder
color	White
Water Solubility	insoluble
Merck	14,3332
BRN	1910573
InChIKey	KZTYYGOKRVBIMI-UHFFFAOYSA-N
LogP	2.61
CAS DataBase Reference	127-63-9(CAS DataBase Reference)
NIST Chemistry Reference	Diphenyl sulfone(127-63-9)
EPA Substance Registry System	Diphenylsulfone (127-63-9)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36-37/39
WGK Germany	3
RTECS	SX2400000
TSCA	Yes
HS Code	29309070
Toxicity	LD50 orally in rats: >2 g/kg, Residue Rev. 36, 240 (1971)

MSDS Information

Diphenyl sulfone Usage And Synthesis

Chemical Properties	Diphenyl sulfone is a sulfone compound having two S-phenyl substituents. It is a crystalline powder that is soluble in organic solvents. It has been found in plants like Gnidia glauca and Dioscorea bulbifera. It has a role as a plant metabolite. Diphenyl sulfone is formed under certain conditions by the action of aqueous sulfuric acid on benzene. It is used as a high temperature solvent. Such high temperature solvents are useful for processing highly rigid polymers, e.g., PEEK, which only dissolve in very hot solvents.
Uses	Ovicide; acaricide.
Uses	Diphenyl sulfone was identified as the preferred solvent. Diphenyl sulfone is chemically and thermally stable as compared to dimethyl sulfoxide.
Uses	Phenyl Sulphone undergoes deoxygenation with Mg-MeOH at room temperature.
Definition	ChEBI: A sulfone compound having two S-phenyl substituents. It has been found in plants like Gnidia glauca and Dioscorea bulbifera.
Synthesis Reference(s)	The Journal of Organic Chemistry, 50, p. 1784, 1985 DOI: 10.1021/jo00210a053 Synthesis, p. 342, 1974 Tetrahedron Letters, 21, p. 689, 1980 DOI: 10.1016/S0040-4039(00)71446-8
Flammability and Explosibility	Not classified
Purification Methods	Crystallise the sulfone from diethyl ether. It has been purified by zone melting. [Beilstein 6 H 300, 6 IV 1490.]