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

7-氯-2H-1,4-苯并恶嗪-3(4H)-酮

Also known as: 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one, 7-Chloro-2H-1,4-benzoxazine, 7-chloro-3,4-dihydro-2H-1,4-benzoxazin-3-one, 2H-1,4-Benzoxazin-3(4H)-one, 7-chloro-, 7-chloro-1,4-benzoxazin-3-one, 3,4-dihydro-7-chloro-3-oxo-2H-1,4-benzoxazine

7-Chloro-2H-1,4-benzoxazin-3(4H)-one (CAS 27320-99-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6ClNO2 and a molecular weight of 183.592 g/mol. It is also known as 7-Chloro-2H-benzo[b][1,4]oxazin-3(4H)-one, 7-Chloro-2H-1,4-benzoxazine and 7-chloro-3,4-dihydro-2H-1,4-benzoxazin-3-one. Key properties include a boiling point of 367.8±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 176.2±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 27320-99-6
Jingsj CID: J-1520360-7
Molecular Formula: C₈H₆ClNO₂
Chinese Name: 7-氯-2H-1,4-苯并恶嗪-3(4H)-酮
Molecular Weight: 183.592 g/mol
Category: Ketones
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	367.8±42.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	176.2±27.9 °C

Frequently Asked Questions

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

The CAS number of 7-Chloro-2H-1,4-benzoxazin-3(4H)-one is 27320-99-6.

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

7-Chloro-2H-1,4-benzoxazin-3(4H)-one has molecular formula C8H6ClNO2 and molecular weight 183.592 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "7-Chloro-2H-1,4-benzoxazin-3(4H)-one (CAS 27320-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520360-7 (accessed 2026-10-22).

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