1-Methyl-1H-2,1-benzothiazin-4(3H)-one 2,2-dioxide

2,2-二氧代-1-甲基-2,1-苯并噻嗪-4(3H)-酮

Also known as: 2,2-DIOXO-1-METHYL-2,1-BENZOTHIAZIN-4(3H)-ONE, 1-Methyl-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide, 1-Methyl-2lambda6,1-benzothiazine-2,2,4(1H,3H)-trione, 1-methyl-3,4-dihydro-1H-2lambda6,1-benzothiazine-2,2,4-trione, 3,4-Dihydro-1-methyl-2,2,4-trioxo-1H-2,1-benzothiazine, 1-Methyl-1,2,3,4-tetrahydro-2lambda6,1-benzothiazine-2,2,4-trione, 1H-2,1-Benzothiazin-4(3H)-one,1-methyl-, 2,2-dioxide

1-Methyl-1H-2,1-benzothiazin-4(3H)-one 2,2-dioxide (CAS 7117-31-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9NO3S and a molecular weight of 211.23800 g/mol. It is also known as 2,2-DIOXO-1-METHYL-2,1-BENZOTHIAZIN-4(3H)-ONE, 1-Methyl-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide and 1-Methyl-2lambda6,1-benzothiazine-2,2,4(1H,3H)-trione. Key properties include a boiling point of 379.3ºC at 760 mmHg, a density of 1.404g/cm3 and a flash point of 183.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

7117-31-9

Jingsj CID

J-1138356-7

Molecular Formula

C₉H₉NO₃S

Chinese Name

2,2-二氧代-1-甲基-2,1-苯并噻嗪-4(3H)-酮

Molecular Weight

211.23800 g/mol

Category

Ketones

Last updated

8/21/2026