5-chlorobenzofuran-2(3H)-one
5-氯苯并呋喃-2(3H)-酮
Also known as: 5-chloro-1-benzofuran-2(3H)-one, 5-chloro-2-benzofuranone, 5-chloro-2,3-dihydro-2-benzofuranone, 5-chloro-3H-2-benzofuran-1-one, 5-chloro-3H-benzofuran-2-one, 5-chloro-1-(3H)-isobenzofuranone, 1(3H)-isobenzofuranone,5-chloro, 5-chloroisobenzofuran-1(3H)-one
5-chlorobenzofuran-2(3H)-one (CAS 28033-47-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5ClO2 and a molecular weight of 168.57700 g/mol. It is also known as 5-chloro-1-benzofuran-2(3H)-one, 5-chloro-2-benzofuranone and 5-chloro-2,3-dihydro-2-benzofuranone. Key properties include a boiling point of 294.439ºC at 760 mmHg, a density of 1.428g/cm3 and a flash point of 155.264ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28033-47-8
- Jingsj CID
- J-977705-5
- Molecular Formula
- C8H5ClO2
- Chinese Name
- 5-氯苯并呋喃-2(3H)-酮
- Molecular Weight
- 168.57700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 294.439ºC at 760 mmHg |
|---|---|
| Density | 1.428g/cm3 |
| Flash Point | 155.264ºC |
Frequently Asked Questions
What is the CAS number of 5-chlorobenzofuran-2(3H)-one?
The CAS number of 5-chlorobenzofuran-2(3H)-one is 28033-47-8.
What are the molecular formula and molecular weight of 5-chlorobenzofuran-2(3H)-one?
5-chlorobenzofuran-2(3H)-one has molecular formula C8H5ClO2 and molecular weight 168.57700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-chlorobenzofuran-2(3H)-one (CAS 28033-47-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977705-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.