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7-hydroxy-2H-1,4-benzoxazin-3(4H)-one

Also known as: 2,3-dihydro-7-hydroxy-1,4-benzoxazin-3-one, 2H-1,4-Benzoxazin-3(4H)-one, 7-hydroxy-, 7-HYDROXY-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE, 7-Hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one, 7-Hydroxy-4H-benzo[1,4]oxazin-3-one, 7-hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-one, 7-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine, 7-hydroxy-4H-1,4-benzoxazin-3-one

7-hydroxy-2H-1,4-benzoxazin-3(4H)-one (CAS 67193-97-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7NO3 and a molecular weight of 165.146 g/mol. Key properties include a boiling point of 437.8±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 218.6±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
67193-97-9
Jingsj CID
J-1086615-6
Molecular Formula
C8H7NO3
Molecular Weight
165.146 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point437.8±45.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point218.6±28.7 °C
Exact Mass165.042587
PSA62.05000
LogP-0.14
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.606

Frequently Asked Questions

What is the CAS number of 7-hydroxy-2H-1,4-benzoxazin-3(4H)-one?

The CAS number of 7-hydroxy-2H-1,4-benzoxazin-3(4H)-one is 67193-97-9.

What are the molecular formula and molecular weight of 7-hydroxy-2H-1,4-benzoxazin-3(4H)-one?

7-hydroxy-2H-1,4-benzoxazin-3(4H)-one has molecular formula C8H7NO3 and molecular weight 165.146 g/mol.

What are the upstream and downstream products of 7-hydroxy-2H-1,4-benzoxazin-3(4H)-one?

For 7-hydroxy-2H-1,4-benzoxazin-3(4H)-one, Upstream Products: 4-Aminoresorcinol hydrochloride, Chloroacetyl chloride, 4-Hydroxy-2H-1,4-benzoxazin-3(4H)-one; Downstream Products: 7-Methoxy-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:

How to cite: Jingsj. "7-hydroxy-2H-1,4-benzoxazin-3(4H)-one (CAS 67193-97-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086615-6 (accessed 2026-11-09).

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