2,3-Dihydro-5H-1,4-benzodioxepin-5-one
2,3-二氢-5H-1,4-苯并二氧蒎-5-酮
Also known as: 2,3-dihydro-1,4-benzodioxepin-5-one, 2,3-dihydro-5H-4-benzodioxepin-5-one, 2,3-Dihydro-5H-benzo[e][1,4]dioxepin-5-one, 5H-1,4-Benzodioxepin-5-one, 2,3-dihydro-
2,3-Dihydro-5H-1,4-benzodioxepin-5-one (CAS 22891-52-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H8O3 and a molecular weight of 164.15800 g/mol. It is also known as 2,3-dihydro-1,4-benzodioxepin-5-one, 2,3-dihydro-5H-4-benzodioxepin-5-one and 2,3-Dihydro-5H-benzo[e][1,4]dioxepin-5-one. Key properties include a melting point of 29-31ºC, a boiling point of 178-184ºC 15mm and a density of 1.238g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22891-52-7
- Jingsj CID
- J-36053-7
- Molecular Formula
- C9H8O3
- Chinese Name
- 2,3-二氢-5H-1,4-苯并二氧蒎-5-酮
- Molecular Weight
- 164.15800 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 29-31ºC |
|---|---|
| Boiling Point | 178-184ºC 15mm |
| Density | 1.238g/cm3 |
Frequently Asked Questions
What is the CAS number of 2,3-Dihydro-5H-1,4-benzodioxepin-5-one?
The CAS number of 2,3-Dihydro-5H-1,4-benzodioxepin-5-one is 22891-52-7.
What are the molecular formula and molecular weight of 2,3-Dihydro-5H-1,4-benzodioxepin-5-one?
2,3-Dihydro-5H-1,4-benzodioxepin-5-one has molecular formula C9H8O3 and molecular weight 164.15800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dihydro-5H-1,4-benzodioxepin-5-one (CAS 22891-52-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36053-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.