Dibenzo[b,f][1,4]oxazepine
二苯并[b,f][1,4]噁唑频
Also known as: benzo[b][1,4]benzoxazepine, Dibenz(b,f)-1,4-oxazephine, Dibenz[b,f][1,4]oxazepine, EA 3547, EA-3547, CR (lacrimator), CR gas
Dibenzo[b,f][1,4]oxazepine (CAS 257-07-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H9NO and a molecular weight of 195.21700 g/mol. It is also known as benzo[b][1,4]benzoxazepine, Dibenz(b,f)-1,4-oxazephine and Dibenz[b,f][1,4]oxazepine. Key properties include a boiling point of 329.3ºC at 760mmHg, a density of 1.16g/cm3 and a flash point of 125ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 257-07-8
- Jingsj CID
- J-1990157-2
- Molecular Formula
- C13H9NO
- Chinese Name
- 二苯并[b,f][1,4]噁唑频
- Molecular Weight
- 195.21700 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 329.3ºC at 760mmHg |
|---|---|
| Density | 1.16g/cm3 |
| Flash Point | 125ºC |
Frequently Asked Questions
What is the CAS number of Dibenzo[b,f][1,4]oxazepine?
The CAS number of Dibenzo[b,f][1,4]oxazepine is 257-07-8.
What are the molecular formula and molecular weight of Dibenzo[b,f][1,4]oxazepine?
Dibenzo[b,f][1,4]oxazepine has molecular formula C13H9NO and molecular weight 195.21700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dibenzo[b,f][1,4]oxazepine (CAS 257-07-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990157-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.