Dibenz[a,i]pyrene
二苯并(A,I)芘
Also known as: 1,2:7,8-Dibenzpyrene, 3,4:9,10-Dibenzopyrene, BENZO(RST)PENTAPHENE, Benzo[rst]pentaphene, dibenzo[a,i]pyrene
Dibenz[a,i]pyrene (CAS 189-55-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H14 and a molecular weight of 302.37 g/mol. It is also known as 1,2:7,8-Dibenzpyrene, 3,4:9,10-Dibenzopyrene and BENZO(RST)PENTAPHENE. Key properties include a boiling point of 552.3±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 282.0±15.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 189-55-9
- Jingsj CID
- J-13765-2
- Molecular Formula
- C24H14
- Chinese Name
- 二苯并(A,I)芘
- Molecular Weight
- 302.37 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 552.3±17.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 282.0±15.1 °C |
Frequently Asked Questions
What is the CAS number of Dibenz[a,i]pyrene?
The CAS number of Dibenz[a,i]pyrene is 189-55-9.
What are the molecular formula and molecular weight of Dibenz[a,i]pyrene?
Dibenz[a,i]pyrene has molecular formula C24H14 and molecular weight 302.37 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dibenz[a,i]pyrene (CAS 189-55-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13765-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.