2,2',3,4',6-Pentachlorobiphenyl

2,2',3,4',6-五氯联苯

Also known as: PCB 91, PCB No. 91, 1,1'-Biphenyl, 2,2',3,4',6-pentachloro-, 1,2,4-trichloro-3-(2,4-dichlorophenyl)benzene

2,2',3,4',6-Pentachlorobiphenyl (CAS 68194-05-8) 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 91, PCB No. 91 and 1,1'-Biphenyl, 2,2',3,4',6-pentachloro-. Key properties include a boiling point of 357.1ºC at 760 mmHg, a density of 1.522g/cm3 and a flash point of 167.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
68194-05-8
Jingsj CID
J-984496-0
Molecular Formula
C12H5Cl5
Chinese Name
2,2',3,4',6-五氯联苯
Molecular Weight
326.43300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point357.1ºC at 760 mmHg
Density1.522g/cm3
Flash Point167.5ºC

Frequently Asked Questions

What is the CAS number of 2,2',3,4',6-Pentachlorobiphenyl?

The CAS number of 2,2',3,4',6-Pentachlorobiphenyl is 68194-05-8.

What are the molecular formula and molecular weight of 2,2',3,4',6-Pentachlorobiphenyl?

2,2',3,4',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. "2,2',3,4',6-Pentachlorobiphenyl (CAS 68194-05-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-984496-0 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.