1,1-Dimethyl-1,3-dihydro-2,1-benzoxasilole

1,1-二甲基-1,3-二氢苯并[c][1,2]氧硅杂环戊二烯

Also known as: 1,1-Dimethyl-1,3-dihydrobenzo[c][1,2]oxasilole, 1,1-dimethyl-1,3-dihydrobenzo[c][1,2]oxasilole, 2,1-Benzoxasilole, 1,3-dihydro-1,1-dimethyl-, 1,1-dimethyl-2-oxa-1-silaindan, 1,1-dimethyl-3H-2,1-benzoxasilole, 1,3-Dihydro-1,1-dimethyl-2,1-benzoxasilole, AMTSi121, D4243

1,1-Dimethyl-1,3-dihydro-2,1-benzoxasilole (CAS 321903-29-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H12OSi and a molecular weight of 164.277 g/mol. It is also known as 1,1-Dimethyl-1,3-dihydrobenzo[c][1,2]oxasilole, 1,1-dimethyl-1,3-dihydrobenzo[c][1,2]oxasilole and 2,1-Benzoxasilole, 1,3-dihydro-1,1-dimethyl-. Key properties include a boiling point of 205.2±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 70.5±12.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

321903-29-1

Jingsj CID

J-1356861-0

Molecular Formula

C₉H₁₂OSi

Chinese Name

1,1-二甲基-1,3-二氢苯并[c][1,2]氧硅杂环戊二烯

Molecular Weight

164.277 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026