2,2',3,4,5,5'-Hexachlorobiphenyl

2,2',3,4,5,5'-六氯联苯

Also known as: PCB 141, BZNO 141, 2,2',3,4,5,5'-PCB, 2,3,4,5,2',5'-Hexachlorobiphenyl, 1,1'-Biphenyl, 2,2',3,4,5,5'-hexachloro-

2,2',3,4,5,5'-Hexachlorobiphenyl (CAS 52712-04-6) 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 360.878 g/mol. It is also known as PCB 141, BZNO 141 and 2,2',3,4,5,5'-PCB. Key properties include a melting point of 85°C, a boiling point of 400.1±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 196.1±24.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52712-04-6
Jingsj CID
J-1466271-7
Molecular Formula
C12H4Cl6
Chinese Name
2,2',3,4,5,5'-六氯联苯
Molecular Weight
360.878 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85°C
Boiling Point400.1±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point196.1±24.7 °C

Frequently Asked Questions

What is the CAS number of 2,2',3,4,5,5'-Hexachlorobiphenyl?

The CAS number of 2,2',3,4,5,5'-Hexachlorobiphenyl is 52712-04-6.

What are the molecular formula and molecular weight of 2,2',3,4,5,5'-Hexachlorobiphenyl?

2,2',3,4,5,5'-Hexachlorobiphenyl has molecular formula C12H4Cl6 and molecular weight 360.878 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',3,4,5,5'-Hexachlorobiphenyl (CAS 52712-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466271-7 (accessed 2026-10-24).

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