5-Nitro-1-benzofuran-2(3H)-one
5-硝基苯并呋喃-2(3H)-酮
Also known as: 5-Nitrobenzofuran-2(3H)-one, 5-Nitro-3H-benzofuran-2-one, 5-Nitro-3H-1-benzofuran-2-one, 2(3H)-Benzofuranone, 5-nitro-, 5-nitro-1-benzofuran-2(3H)-one
5-Nitro-1-benzofuran-2(3H)-one (CAS 21997-23-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5NO4 and a molecular weight of 179.13000 g/mol. It is also known as 5-Nitrobenzofuran-2(3H)-one, 5-Nitro-3H-benzofuran-2-one and 5-Nitro-3H-1-benzofuran-2-one. Key properties include a boiling point of 355.457ºC at 760 mmHg, a density of 1.519g/cm3 and a flash point of 192.362ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21997-23-9
- Jingsj CID
- J-1506435-4
- Molecular Formula
- C8H5NO4
- Chinese Name
- 5-硝基苯并呋喃-2(3H)-酮
- Molecular Weight
- 179.13000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 355.457ºC at 760 mmHg |
|---|---|
| Density | 1.519g/cm3 |
| Flash Point | 192.362ºC |
Frequently Asked Questions
What is the CAS number of 5-Nitro-1-benzofuran-2(3H)-one?
The CAS number of 5-Nitro-1-benzofuran-2(3H)-one is 21997-23-9.
What are the molecular formula and molecular weight of 5-Nitro-1-benzofuran-2(3H)-one?
5-Nitro-1-benzofuran-2(3H)-one has molecular formula C8H5NO4 and molecular weight 179.13000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Nitro-1-benzofuran-2(3H)-one (CAS 21997-23-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506435-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.