9,10-Dihydrobenzo[a]pyren-7(8H)-one
9,10-二氢苯并[a]芘-7(8H)-酮
Also known as: 7-Oxo-7,8,9,10-tetrahydrobenzo[a]pyrene, 7,8,9,10-Tetrahydrobenzo[a]pyren-7-one, 9,10-Dihydro-8H-benzo[def]chrysen-7-one, Benzo[a]pyren-7(8H)-one, 9,10-dihydro-, NSC 30830
9,10-Dihydrobenzo[a]pyren-7(8H)-one (CAS 3331-46-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H14O and a molecular weight of 270.325 g/mol. It is also known as 7-Oxo-7,8,9,10-tetrahydrobenzo[a]pyrene, 7,8,9,10-Tetrahydrobenzo[a]pyren-7-one and 9,10-Dihydro-8H-benzo[def]chrysen-7-one. Key properties include a melting point of 172-175ºC, a boiling point of 492.0±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 220.6±15.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3331-46-2
- Jingsj CID
- J-20095-6
- Molecular Formula
- C20H14O
- Chinese Name
- 9,10-二氢苯并[a]芘-7(8H)-酮
- Molecular Weight
- 270.325 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 172-175ºC |
|---|---|
| Boiling Point | 492.0±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 220.6±15.3 °C |
Frequently Asked Questions
What is the CAS number of 9,10-Dihydrobenzo[a]pyren-7(8H)-one?
The CAS number of 9,10-Dihydrobenzo[a]pyren-7(8H)-one is 3331-46-2.
What are the molecular formula and molecular weight of 9,10-Dihydrobenzo[a]pyren-7(8H)-one?
9,10-Dihydrobenzo[a]pyren-7(8H)-one has molecular formula C20H14O and molecular weight 270.325 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "9,10-Dihydrobenzo[a]pyren-7(8H)-one (CAS 3331-46-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20095-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.