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

2,3,3',4,6-五氯联苯

Also known as: PCB-109, BZNO 109, 1,1'-Biphenyl, 2,3,3',4,6-pentachloro-, 2,3,3',4,6-Pentachlorobiphenyl, 1,1'-BIPHENYL,2,3,3',4,6-PENT, 1,2,3,5-tetrachloro-4-(3-chlorophenyl)benzene

2,3,3',4,6-Pentachlorobiphenyl (CAS 74472-35-8) 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-109, BZNO 109 and 1,1'-Biphenyl, 2,3,3',4,6-pentachloro-. Key properties include a melting point of 95.86°C (estimate), a boiling point of 373ºC at 760mmHg, a density of 1.522g/cm3 and a flash point of 179.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
74472-35-8
Jingsj CID
J-1446341-3
Molecular Formula
C12H5Cl5
Chinese Name
2,3,3',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

Melting Point95.86°C (estimate)
Boiling Point373ºC at 760mmHg
Density1.522g/cm3
Flash Point179.3ºC

Frequently Asked Questions

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

The CAS number of 2,3,3',4,6-Pentachlorobiphenyl is 74472-35-8.

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

2,3,3',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. "2,3,3',4,6-Pentachlorobiphenyl (CAS 74472-35-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446341-3 (accessed 2026-10-25).

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