2,5-Dichlorobiphenyl
Also known as: PCB 9, BZNO 9, 2,5-PCB, PCB NO 9, BALLSCHMITER NO 9, 1,1'-Biphenyl,2,5-dichloro, 1,4-dichloro-2-phenylbenzene, 2,5-Dichlor-biphenyl, 2,5-Dichloro-1,1'-biphenyl, 2,5-chlorobiphenyl, 2,5-dichloro-biphenyl, 3,6-Dichlorobiphenyl, Biphenyl, 2,5-dichloro-
2,5-Dichlorobiphenyl (CAS 34883-39-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2 and a molecular weight of 223.09800 g/mol. Key properties include a melting point of 22.5°C, a boiling point of 303.5ºC at 760 mmHg, a density of 1.249 g/cm3 and a flash point of 133.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34883-39-1
- Jingsj CID
- J-1992877-9
- Molecular Formula
- C12H8Cl2
- Molecular Weight
- 223.09800 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 22.5°C |
|---|---|
| Boiling Point | 303.5ºC at 760 mmHg |
| Density | 1.249 g/cm3 |
| Flash Point | 133.7ºC |
| Exact Mass | 222.00000 |
| LogP | 4.66040 |
| Refractive Index | 1.594 |
Frequently Asked Questions
What is the CAS number of 2,5-Dichlorobiphenyl?
The CAS number of 2,5-Dichlorobiphenyl is 34883-39-1.
What are the molecular formula and molecular weight of 2,5-Dichlorobiphenyl?
2,5-Dichlorobiphenyl has molecular formula C12H8Cl2 and molecular weight 223.09800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dichlorobiphenyl (CAS 34883-39-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992877-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.