Diphenyl sulfone CAS 127-63-9

CAS:127-63-9,

127-63-9 – Names and Identifiers

Name	Phenyl sulfone
Synonyms	s-97 s-127 Difenylsulfon phenylsul Phenyl sulfone Phenyl sul Diphenylsulfone dlphenylsulfone Diphenyl sulfone Diphenyl sul Sulfone, diphenyl 1,1′-sulfonyldibenzene 1,1′-Sulfonylbisbenzene Benzene, 1,1′-sulfonylbis-
CAS	127-63-9
EINECS	204-853-1
InChI	InChI=1/C12H10O2S/c13-15(14,/h1-10H
InChIKey	KZTYYGOKRVBIMI-UHFFFAOYSA-N

127-63-9 – Physico-chemical Properties

Molecular Formula	C12H10O2S
Molar Mass	218.27
Density	1.36
Melting Point	123-129 °C (lit.)
Boling Point	379 °C (lit.)
Flash Point	184°C
Water Solubility	insoluble
Solubility	Soluble in hot ethanol, ether and benzene, slightly soluble in hot water, insoluble in cold water.
Vapor Presure	0.001Pa at 50℃
Appearance	White crystal
Color	White
Merck	14,3332
BRN	1910573
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.5200 (estimate)
MDL	MFCD00007548
Physical and Chemical Properties	Molecular weight 218.27; Melting point 125-129°C; Boiling point 379°C;
Use	Used as pharmaceutical, pesticide intermediates

127-63-9 – Risk and Safety

Hazard Symbols	Xi – Irritant
Risk Codes	36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S37/39 – Wear suitable gloves and eye/face protection
WGK Germany	3
RTECS	SX2400000
TSCA	Yes
HS Code	29309070
Toxicity	LD50 orally in rats: >2 g/kg, Residue Rev. 36, 240 (1971)

127-63-9 – Reference Information

LogP	2.61
use	used in organic synthesis, as plasticizer and acaricide. Used as an intermediate in medicine and pesticide
Production method	is obtained by the reaction of benzene and sulfuric acid.
category	pesticide
toxicity classification	poisoning
acute toxicity	oral-rat LD50: 2000 mg/kg
flammability hazard characteristics	combustion produces toxic sulfur oxide gas
storage and transportation characteristics	warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation
fire extinguishing agent	dry powder, foam, sand
occupational standard	TLV-TWA 10 mg/m3

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