2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one

Also known as: 3,4-(Ethylenedioxy)phenacyl bromide, 6-(Bromoacetyl)-1,4-benzodioxane, 1,4-Benzodioxan-6-yl bromomethyl ketone, 2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethanone, 2-Bromo-1-(2,3-dihydrobenzo[1,4]dioxin-6-yl)ethanone, Bromomethyl 3,4-(ethylenedioxy)phenyl ketone, AKOS BBS-00002882, MFCD00099402

2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one (CAS 4629-54-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9BrO3 and a molecular weight of 257.081 g/mol. Key properties include a melting point of 115ºC, a boiling point of 360.6±42.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 171.9±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4629-54-3
Jingsj CID: J-1322248-5
Molecular Formula: C₁₀H₉BrO₃
Molecular Weight: 257.081 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	115ºC
Boiling Point	360.6±42.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	171.9±27.9 °C
Exact Mass	255.973495
PSA	35.53000
LogP	2.28
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.587
Storage Conditions	2-8℃

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. 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 2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one?

The CAS number of 2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one is 4629-54-3.

What are the molecular formula and molecular weight of 2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one?

2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one has molecular formula C10H9BrO3 and molecular weight 257.081 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1-one (CAS 4629-54-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1322248-5 (accessed 2026-11-09).

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