4-Bromo-2-benzofuran-1(3H)-one
Also known as: 4-Bromoisobenzofuran-1(3H)-one, 4-Bromo-3H-isobenzofuran-1-one, 4-Bromophthalide, 4-Bromo-1(3H)-isobenzofuranone, 1(3H)-Isobenzofuranone, 4-bromo-, 4-Bromobenzo[c]furan-1(3H)-one, 4-Bromo-1,3-dihydro-2-benzofuran-1-one
4-Bromo-2-benzofuran-1(3H)-one (CAS 102308-43-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5BrO2 and a molecular weight of 213.028 g/mol. Key properties include a boiling point of 378.2±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 182.5±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 102308-43-0
- Jingsj CID
- J-1467539-9
- Molecular Formula
- C8H5BrO2
- Molecular Weight
- 213.028 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 378.2±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 182.5±27.9 °C |
| Exact Mass | 211.947281 |
| PSA | 26.30000 |
| LogP | 1.67 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.625 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Bromo-2-benzofuran-1(3H)-one?
The CAS number of 4-Bromo-2-benzofuran-1(3H)-one is 102308-43-0.
What are the molecular formula and molecular weight of 4-Bromo-2-benzofuran-1(3H)-one?
4-Bromo-2-benzofuran-1(3H)-one has molecular formula C8H5BrO2 and molecular weight 213.028 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Bromo-2-benzofuran-1(3H)-one (CAS 102308-43-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1467539-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.