1H-phenalene-1,3(2H)-dione
迫萘合環己-1,3-二酮
Also known as: 1,3-phenalenedione, peri-naphthindan-1,3-dione, peri-Naphthindan-1,3-dione, phenalene-1,3-dione, phenalene-1,3-quinone, 1H-phenalene-1,3(2H)-dione
1H-phenalene-1,3(2H)-dione (CAS 5821-59-0) 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 1,3-phenalenedione, peri-naphthindan-1,3-dione and peri-Naphthindan-1,3-dione. Key properties include a boiling point of 394.1ºC at 760mmHg, a density of 1.347g/cm3 and a flash point of 147.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5821-59-0
- Jingsj CID
- J-855216-7
- Molecular Formula
- C13H8O2
- Chinese Name
- 迫萘合環己-1,3-二酮
- Molecular Weight
- 196.20100 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 394.1ºC at 760mmHg |
|---|---|
| Density | 1.347g/cm3 |
| Flash Point | 147.7ºC |
Frequently Asked Questions
What is the CAS number of 1H-phenalene-1,3(2H)-dione?
The CAS number of 1H-phenalene-1,3(2H)-dione is 5821-59-0.
What are the molecular formula and molecular weight of 1H-phenalene-1,3(2H)-dione?
1H-phenalene-1,3(2H)-dione 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. "1H-phenalene-1,3(2H)-dione (CAS 5821-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-855216-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.