Benzofuran-2,3-dione
苯并呋喃-2,3-二酮
Also known as: Coumarandione, 1-benzofuran-2,3-dione, 2,3-Benzofurandione, 2,3-Dihydrobenzofuran-2,3-dione, 2,3-benzofuranedione, 3-oxobenzofuran-2-one, NSC 122748, Oxisatin, benzo[b]furan-2,3-dione
Benzofuran-2,3-dione (CAS 4732-72-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H4O3 and a molecular weight of 148.11600 g/mol. It is also known as Coumarandione, 1-benzofuran-2,3-dione and 2,3-Benzofurandione. Key properties include a melting point of 120ºC, a boiling point of 278.1ºC at 760 mmHg, a density of 1.444g/cm3 and a flash point of 132.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4732-72-3
- Jingsj CID
- J-34708-2
- Molecular Formula
- C8H4O3
- Chinese Name
- 苯并呋喃-2,3-二酮
- Molecular Weight
- 148.11600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 120ºC |
|---|---|
| Boiling Point | 278.1ºC at 760 mmHg |
| Density | 1.444g/cm3 |
| Flash Point | 132.9ºC |
Frequently Asked Questions
What is the CAS number of Benzofuran-2,3-dione?
The CAS number of Benzofuran-2,3-dione is 4732-72-3.
What are the molecular formula and molecular weight of Benzofuran-2,3-dione?
Benzofuran-2,3-dione has molecular formula C8H4O3 and molecular weight 148.11600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzofuran-2,3-dione (CAS 4732-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34708-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.