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

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. 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-932258-1
Molecular Formula
C9H9BrO2
Molecular Weight
229.071 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point242.8±29.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point99.0±19.8 °C
Exact Mass227.978592
PSA18.46000
LogP4.21
Vapor Pressure0.1±0.5 mmHg at 25°C
Refractive Index1.550

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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 such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

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-932258-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.