2,2',3,4,4',6'-Hexachlorobiphenyl

2,2',3,4,4',6'-六氯联苯

Also known as: PCB No. 140, BZNo 140, 1,1'-Biphenyl, 2,2',3,4,4',6'-hexachloro-, 1,2,3-trichloro-4-(2,4,6-trichlorophenyl)benzene

2,2',3,4,4',6'-Hexachlorobiphenyl (CAS 59291-64-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H4Cl6 and a molecular weight of 360.87800 g/mol. It is also known as PCB No. 140, BZNo 140 and 1,1'-Biphenyl, 2,2',3,4,4',6'-hexachloro-. Key properties include a melting point of 115.76°C (estimate), a boiling point of 384.3ºC at 760 mmHg, a density of 1.593 g/cm3 and a flash point of 184.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59291-64-4
Jingsj CID
J-977783-1
Molecular Formula
C12H4Cl6
Chinese Name
2,2',3,4,4',6'-六氯联苯
Molecular Weight
360.87800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115.76°C (estimate)
Boiling Point384.3ºC at 760 mmHg
Density1.593 g/cm3
Flash Point184.4ºC

Frequently Asked Questions

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

The CAS number of 2,2',3,4,4',6'-Hexachlorobiphenyl is 59291-64-4.

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

2,2',3,4,4',6'-Hexachlorobiphenyl has molecular formula C12H4Cl6 and molecular weight 360.87800 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',3,4,4',6'-Hexachlorobiphenyl (CAS 59291-64-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977783-1 (accessed 2026-10-22).

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