3H-naphtho[2,1-b]pyran-3-one
3H-萘并[2,1-b]吡喃-3-酮
Also known as: benzo[f]chromen-3-one, 5,6-benzocoumarin, 3H-benzo[f]chromen-3-one, naphthopyran-2-one, naphthopiranone
3H-naphtho[2,1-b]pyran-3-one (CAS 4352-89-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H8O2 and a molecular weight of 196.20100 g/mol. It is also known as benzo[f]chromen-3-one, 5,6-benzocoumarin and 3H-benzo[f]chromen-3-one. Key properties include a melting point of 117－119ºC, a boiling point of 402.6ºC at 760 mmHg, a density of 1.297 and a flash point of 169.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4352-89-0
- Jingsj CID
- J-1027332-8
- Molecular Formula
- C13H8O2
- Chinese Name
- 3H-萘并[2,1-b]吡喃-3-酮
- Molecular Weight
- 196.20100 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 117－119ºC |
|---|---|
| Boiling Point | 402.6ºC at 760 mmHg |
| Density | 1.297 |
| Flash Point | 169.7ºC |
Frequently Asked Questions
What is the CAS number of 3H-naphtho[2,1-b]pyran-3-one?
The CAS number of 3H-naphtho[2,1-b]pyran-3-one is 4352-89-0.
What are the molecular formula and molecular weight of 3H-naphtho[2,1-b]pyran-3-one?
3H-naphtho[2,1-b]pyran-3-one has molecular formula C13H8O2 and molecular weight 196.20100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3H-naphtho[2,1-b]pyran-3-one (CAS 4352-89-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027332-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.