2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine

2-溴甲基-1,4-苯并二恶烷

Also known as: 2-bromomethyl-1,4-benzodioxane, 2-bromomethyl-1,4-benzodioxan, 2-(bromomethyl)-2,3-dihydro-1,4-benzodioxin, 2-bromomethyl-2,3-dihydrobenzo[1,4]dioxine, 2-(bromomethyl)-2,3-dihydrobenzo[b][1,4]dioxine, 2-bromomethyl-1,4-benzodioxane, 97%, NSC 106871, EINECS 218-503-0, MFCD00044831

2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine (CAS 2164-34-3) 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 229.07100 g/mol. It is also known as 2-bromomethyl-1,4-benzodioxane, 2-bromomethyl-1,4-benzodioxan and 2-(bromomethyl)-2,3-dihydro-1,4-benzodioxin. Key properties include a boiling point of 250-251 °C(lit.), a density of 1.533 g/mL at 25 °C(lit.) and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2164-34-3
Jingsj CID
J-851849-5
Molecular Formula
C9H9BrO2
Chinese Name
2-溴甲基-1,4-苯并二恶烷
Molecular Weight
229.07100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point250-251 °C(lit.)
Density1.533 g/mL at 25 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine?

The CAS number of 2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine is 2164-34-3.

What are the molecular formula and molecular weight of 2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine?

2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine has molecular formula C9H9BrO2 and molecular weight 229.07100 g/mol.

Is 2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine hazardous?

2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-(bromomethyl)-2,3-dihydro-1,4-benzodioxine (CAS 2164-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-851849-5 (accessed 2026-10-24).

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