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

Also known as: 7-FLUORO-2H-1,4-BENZOXAZIN-3(4H)-ONE, 7-FLUORO-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE, 7-FLUORO-2,4-DIHYDRO-1,4-BENZOXAZIN-3-ONE, 7-Fluoro-4H-benzo[1,4]oxazin-3-one, 7-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-one, 3-Oxo-7-fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine, 2H-1,4-Benzoxazin-3(4H)-one, 7-fluoro-, 7-fluoro-4H-1,4-benzoxazin-3-one, 3,4-Dihydro-7-fluoro-3-oxo-2H-1,4-benzoxazine

7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 103361-99-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6FNO2 and a molecular weight of 167.137 g/mol. Key properties include a melting point of 203-205ºC, a boiling point of 327.9±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 152.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103361-99-5
Jingsj CID: J-1332822-8
Molecular Formula: C₈H₆FNO₂
Molecular Weight: 167.137 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	203-205ºC
Boiling Point	327.9±42.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	152.1±27.9 °C
Exact Mass	167.038254
PSA	38.33000
LogP	0.92
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.540

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-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one?

The CAS number of 7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one is 103361-99-5.

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

7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one has molecular formula C8H6FNO2 and molecular weight 167.137 g/mol.

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

For 7-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one, Upstream Products: Iron, 2-Amino-5-fluorophenol, Chloroacetyl chloride; Downstream Products: 7-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine, 7-Fluoro-6-nitro-2H-1,4-benzoxazin-3(4H)-one.

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-Fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 103361-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1332822-8 (accessed 2026-11-09).

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