1,1-dioxo-2,3-dihydrothiochromen-4-one

1,1-二氧化硫杂色酮

Also known as: thiochroman-4-one 1,1-dioxide, 2,3-dihydro-4H-1-benzothiopyran-4-one 1,1-dioxide, 4H-1-benzothiopyran-4-one,2,3-dihydro-,1,1-dioxide, 1,1-dioxo-1λ⁶-thiochroman-4-one, 1-thiochroman-4-one 1,1-dioxide

1,1-dioxo-2,3-dihydrothiochromen-4-one (CAS 19446-96-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H8O3S and a molecular weight of 196.22300 g/mol. It is also known as thiochroman-4-one 1,1-dioxide, 2,3-dihydro-4H-1-benzothiopyran-4-one 1,1-dioxide and 4H-1-benzothiopyran-4-one,2,3-dihydro-,1,1-dioxide. Key properties include a melting point of 128-129.5 °C, a boiling point of 432.2ºC at 760mmHg, a density of 1.408g/cm3 and a flash point of 294.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

19446-96-9

Jingsj CID

J-1414039-2

Molecular Formula

C₉H₈O₃S

Chinese Name

1,1-二氧化硫杂色酮

Molecular Weight

196.22300 g/mol

Category

Ketones

Last updated

8/21/2026