3,4-epoxytetrahydrothiophene-1,1-dioxide

3,4-环氧四氢噻吩-1,1-二氧化物

Also known as: 3,4-Epoxysulfolane, 2,3-Epoxytetramethylene sulfone, 2,3-Epoxy-1,4-butanediyl sulfone, 6-Oxa-3-thiabicyclo[3.1.0]hexane 3,3-dioxide, 3,4-Epoxy-1,2,3,4-tetrahydrothiophene-1,1-dioxide, Tetramethylene sulfone, 2,3-epoxy, EINECS 224-827-3, MFCD00065014

3,4-epoxytetrahydrothiophene-1,1-dioxide (CAS 4509-11-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6O3S and a molecular weight of 134.15400 g/mol. It is also known as 3,4-Epoxysulfolane, 2,3-Epoxytetramethylene sulfone and 2,3-Epoxy-1,4-butanediyl sulfone. Key properties include a melting point of 145-150ºC(lit.), a boiling point of 379.2ºC at 760 mmHg, a density of 1.576g/cm3 and a flash point of 183.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4509-11-9

Jingsj CID

J-47393-6

Molecular Formula

C₄H₆O₃S

Chinese Name

3,4-环氧四氢噻吩-1,1-二氧化物

Molecular Weight

134.15400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026