5-Bromo-2,2-dimethyl-1,3-benzodioxole

5-溴-2,2-二甲基-1,3-苯并二氧戊环

Also known as: 5-bromo-2,2-dimethylbenzo[d][1,3]dioxole, 1-bromo-3,4-(dimethylmethylenedioxy)benzene, 4-bromo-1,2-dihydroxyphenylacetonide, 5-bromo-2,2-dimethylbenzodioxole, 1,3-benzodioxole, 5-bromo-2,2-dimethyl-

5-Bromo-2,2-dimethyl-1,3-benzodioxole (CAS 73790-19-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H9BrO2 and a molecular weight of 229.071 g/mol. It is also known as 5-bromo-2,2-dimethylbenzo[d][1,3]dioxole, 1-bromo-3,4-(dimethylmethylenedioxy)benzene and 4-bromo-1,2-dihydroxyphenylacetonide. Key properties include a boiling point of 242.8±29.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 99.0±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 73790-19-9
Jingsj CID: J-932258-9
Molecular Formula: C₉H₉BrO₂
Chinese Name: 5-溴-2,2-二甲基-1,3-苯并二氧戊环
Molecular Weight: 229.071 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	242.8±29.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	99.0±19.8 °C

Frequently Asked Questions

What is the CAS number of 5-Bromo-2,2-dimethyl-1,3-benzodioxole?

The CAS number of 5-Bromo-2,2-dimethyl-1,3-benzodioxole is 73790-19-9.

What are the molecular formula and molecular weight of 5-Bromo-2,2-dimethyl-1,3-benzodioxole?

5-Bromo-2,2-dimethyl-1,3-benzodioxole has molecular formula C9H9BrO2 and molecular weight 229.071 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-Bromo-2,2-dimethyl-1,3-benzodioxole (CAS 73790-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-932258-9 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.