2',3,4,5,6'-Pentachlorobiphenyl
2',3,4,5,6'-五氯联苯
Also known as: PCB 125, PCB No. 125, 1,2,3-trichloro-5-(2,6-dichlorophenyl)benzene
2',3,4,5,6'-Pentachlorobiphenyl (CAS 74472-39-2) 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 125, PCB No. 125 and 1,2,3-trichloro-5-(2,6-dichlorophenyl)benzene. Key properties include a melting point of 95.86°C (estimate), a boiling point of 376.8ºC at 760 mmHg, a density of 1.522g/cm3 and a flash point of 182.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74472-39-2
- Jingsj CID
- J-1027053-8
- Molecular Formula
- C12H5Cl5
- Chinese Name
- 2',3,4,5,6'-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
| Melting Point | 95.86°C (estimate) |
|---|---|
| Boiling Point | 376.8ºC at 760 mmHg |
| Density | 1.522g/cm3 |
| Flash Point | 182.1ºC |
Frequently Asked Questions
What is the CAS number of 2',3,4,5,6'-Pentachlorobiphenyl?
The CAS number of 2',3,4,5,6'-Pentachlorobiphenyl is 74472-39-2.
What are the molecular formula and molecular weight of 2',3,4,5,6'-Pentachlorobiphenyl?
2',3,4,5,6'-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',3,4,5,6'-Pentachlorobiphenyl (CAS 74472-39-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027053-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.