5-Bromo-2,3-dihydro-1,4-benzodioxine

5-溴-2,3-二氢-1,4-苯并二氧烷

Also known as: 5-Bromo-1,4-benzodioxane, 5-Bromo-2,3-dihydro-1,4-benzodioxane, 5-Bromo-2,3-dihydrobenzo[b][1,4]dioxine, 2,3-Ethylenedioxy-1-bromobenzene, 1,4-Benzodioxin, 5-bromo-2,3-dihydro-, 5-Bromo-1,4-benzodioxan, 5-Bromo-2,3-dihydro-1,4-benzodioxane 96%

5-Bromo-2,3-dihydro-1,4-benzodioxine (CAS 58328-39-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7BrO2 and a molecular weight of 215.044 g/mol. It is also known as 5-Bromo-1,4-benzodioxane, 5-Bromo-2,3-dihydro-1,4-benzodioxane and 5-Bromo-2,3-dihydrobenzo[b][1,4]dioxine. Key properties include a melting point of 55.5ºC, a boiling point of 260.9±39.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 119.6±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58328-39-5
Jingsj CID
J-9865-8
Molecular Formula
C8H7BrO2
Chinese Name
5-溴-2,3-二氢-1,4-苯并二氧烷
Molecular Weight
215.044 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point55.5ºC
Boiling Point260.9±39.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point119.6±22.6 °C

Frequently Asked Questions

What is the CAS number of 5-Bromo-2,3-dihydro-1,4-benzodioxine?

The CAS number of 5-Bromo-2,3-dihydro-1,4-benzodioxine is 58328-39-5.

What are the molecular formula and molecular weight of 5-Bromo-2,3-dihydro-1,4-benzodioxine?

5-Bromo-2,3-dihydro-1,4-benzodioxine has molecular formula C8H7BrO2 and molecular weight 215.044 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Bromo-2,3-dihydro-1,4-benzodioxine (CAS 58328-39-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9865-8 (accessed 2026-10-22).

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