Dibenz[b,f][1,4]oxazepin-11(10H)-one

10,11-二氢二苯并[b,f][1,4]氧氮杂卓-11-酮

Also known as: 10,11-Dihydrodibenz[b,f][1,4]oxazepin-11-one, 10,11-Dihydrodibenzo[b,f][1,4]oxazepine-11-one, 10H-Dibenzo[b,f][1,4]oxazepin-11-one, DBOA-11one, Dibenzo[b,f][1,4]oxazepin-11(10H)-one, MFCD00005074, EINECS 221-601-6

Dibenz[b,f][1,4]oxazepin-11(10H)-one (CAS 3158-85-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H9NO2 and a molecular weight of 211.21600 g/mol. It is also known as 10,11-Dihydrodibenz[b,f][1,4]oxazepin-11-one, 10,11-Dihydrodibenzo[b,f][1,4]oxazepine-11-one and 10H-Dibenzo[b,f][1,4]oxazepin-11-one. Key properties include a melting point of 211-213ºC(lit.), a boiling point of 277.4ºC at 760 mmHg, a density of 1.261g/cm3 and a flash point of 121.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3158-85-8
Jingsj CID
J-1390450-2
Molecular Formula
C13H9NO2
Chinese Name
10,11-二氢二苯并[b,f][1,4]氧氮杂卓-11-酮
Molecular Weight
211.21600 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point211-213ºC(lit.)
Boiling Point277.4ºC at 760 mmHg
Density1.261g/cm3
Flash Point121.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Dibenz[b,f][1,4]oxazepin-11(10H)-one?

The CAS number of Dibenz[b,f][1,4]oxazepin-11(10H)-one is 3158-85-8.

What are the molecular formula and molecular weight of Dibenz[b,f][1,4]oxazepin-11(10H)-one?

Dibenz[b,f][1,4]oxazepin-11(10H)-one has molecular formula C13H9NO2 and molecular weight 211.21600 g/mol.

Is Dibenz[b,f][1,4]oxazepin-11(10H)-one hazardous?

Dibenz[b,f][1,4]oxazepin-11(10H)-one has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Dibenz[b,f][1,4]oxazepin-11(10H)-one (CAS 3158-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390450-2 (accessed 2026-10-24).

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