2,3,4,5,6-Pentachlorobiphenyl
2,3,4,5,6-五氯联苯
Also known as: 1,1'-Biphenyl, 2,3,4,5,6-pentachloro-, PCB 116, Pentachlorobiphenyl, 2,3,4,5,6-PCB, 2,3,4,5,6-Pentachloro-1,1'-biphenyl
2,3,4,5,6-Pentachlorobiphenyl (CAS 18259-05-7) 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 326.433 g/mol. It is also known as 1,1'-Biphenyl, 2,3,4,5,6-pentachloro-, PCB 116 and Pentachlorobiphenyl. Key properties include a melting point of 123.5°C, a boiling point of 371.4±37.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 178.1±23.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18259-05-7
- Jingsj CID
- J-1992899-7
- Molecular Formula
- C12H5Cl5
- Chinese Name
- 2,3,4,5,6-五氯联苯
- Molecular Weight
- 326.433 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 123.5°C |
|---|---|
| Boiling Point | 371.4±37.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 178.1±23.9 °C |
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 18259-05-7.
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 326.433 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 18259-05-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992899-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.