2,3',4,4',5-Pentachlorobiphenyl
2,3',4,4',5-五氯联苯
Also known as: PCB 123, 2,3',4,4',5-Pentachlorobiphenyl, 2',3,4,4',5-Pentachlorobiphenyl, CB-123, BZ No 123, BZ# 123, PCB No 123, 2,3',4,4',5'-Pentachloro-1,1'-biphenyl
2,3',4,4',5-Pentachlorobiphenyl (CAS 65510-44-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H5Cl5 and a molecular weight of 326.43300 g/mol. It is also known as PCB 123, 2',3,4,4',5-Pentachlorobiphenyl and CB-123. Key properties include a boiling point of 390.2ºC at 760 mmHg, a density of 1.522 g/cm3 and a flash point of 192.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 65510-44-3
- Jingsj CID
- J-1992872-8
- Molecular Formula
- C12H5Cl5
- Chinese Name
- 2,3',4,4',5-五氯联苯
- Molecular Weight
- 326.43300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 390.2ºC at 760 mmHg |
|---|---|
| Density | 1.522 g/cm3 |
| Flash Point | 192.1ºC |
Frequently Asked Questions
What is the CAS number of 2,3',4,4',5-Pentachlorobiphenyl?
The CAS number of 2,3',4,4',5-Pentachlorobiphenyl is 65510-44-3.
What are the molecular formula and molecular weight of 2,3',4,4',5-Pentachlorobiphenyl?
2,3',4,4',5-Pentachlorobiphenyl has molecular formula C12H5Cl5 and molecular weight 326.43300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3',4,4',5-Pentachlorobiphenyl (CAS 65510-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992872-8 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.