7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one

Also known as: 7-Bromo-2H-1,4-benzoxazin-3(4H)-one, 7-Bromo-4H-benzo[1,4]oxazin-3-one, 7-bromo-3,4-dihydro-2H-1,4-benzoxazin-3-one, 7-bromo-4H-1,4-benzoxazin-3-one, 2H-1,4-Benzoxazin-3(4H)-one, 7-bromo-

7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 321436-06-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6BrNO2 and a molecular weight of 228.043 g/mol. Key properties include a boiling point of 381.5±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 184.5±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 321436-06-0
Jingsj CID: J-1504963-5
Molecular Formula: C₈H₆BrNO₂
Molecular Weight: 228.043 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	381.5±42.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	184.5±27.9 °C
Exact Mass	226.958176
PSA	38.33000
LogP	1.81
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.601

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one?

The CAS number of 7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one is 321436-06-0.

What are the molecular formula and molecular weight of 7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one?

7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one has molecular formula C8H6BrNO2 and molecular weight 228.043 g/mol.

What are the upstream and downstream products of 7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one?

For 7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one, Upstream Products: 2-Amino-5-bromophenol, Chloroacetyl chloride, 7-Amino-2H-1,4-benzoxazin-3(4H)-one; Downstream Products: 7-Bromo-3,4-dihydro-2H-benzo[b][1,4]oxazine, 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine.

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. "7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 321436-06-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504963-5 (accessed 2026-11-09).

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