3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE

CAS No.：1193-10-8

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE Basic information

Product Name:	3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE
Synonyms:	thiophene,2,5-dihydro-3-methyl-,1,1-dioxide;ISOPRENE CYCLIC SULFONE;ISOPRENE SULFONE;3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE;3-METHYL SULFOLENE;AKOS BBS-00004852;Thiophene, 2,5-dihydro-3-Methyl-, 1-dioxide;3-methyl-2,5-dihydrothiophen-1,1-dioxide
CAS:	1193-10-8
MF:	C5H8O2S
MW:	132.18
EINECS:	214-765-5
Product Categories:
Mol File:	1193-10-8.mol

3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE Chemical Properties

Melting point	62-64°C
Boiling point	214.11°C (rough estimate)
density	1.137 (estimate)
refractive index	1.5160 (estimate)
storage temp.	-20°C Freezer
solubility	Chloroform (Slightly), Methanol (Slightly)
form	solid
color	Off-White
EPA Substance Registry System	Thiophene, 2,5-dihydro-3-methyl-, 1,1-dioxide (1193-10-8)

Safety Information

MSDS Information

Provider	Language
ALFA	English

3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE Usage And Synthesis

Chemical Properties	Solid. Slightlysoluble in water, acetone, and toluene. Combustible.
Uses	3-Methyl-2,5-dihydrothiophene-1,1-dioxide is a reagent used in Diels-Alder reactions of butadienylpyridinium bromides.
Uses	Chemical intermediate, catalyst.

3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE Preparation Products And Raw materials

Raw materials

Hydroquinone-->Isoprene

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