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2,3,3',4,4',5,5',6-Octachlorobiphenyl

Also known as: PCB No. 205, PCB 205, 1,1'-Biphenyl, 2,3,3',4,4',5,5',6-octachloro-, 2,3,3',4,4',5,5',6-Octachloro-1,1'-biphenyl, BZNO 205

2,3,3',4,4',5,5',6-Octachlorobiphenyl (CAS 74472-53-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H2Cl8 and a molecular weight of 429.76800 g/mol. Key properties include a melting point of 150.67°C (estimate), a boiling point of 450.7ºC at 760 mmHg, a density of 1.716g/cm3 and a flash point of 227.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
74472-53-0
Jingsj CID
J-1027080-8
Molecular Formula
C12H2Cl8
Molecular Weight
429.76800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150.67°C (estimate)
Boiling Point450.7ºC at 760 mmHg
Density1.716g/cm3
Flash Point227.3ºC
Exact Mass425.76600
LogP8.58080
Refractive Index1.638

Frequently Asked Questions

What is the CAS number of 2,3,3',4,4',5,5',6-Octachlorobiphenyl?

The CAS number of 2,3,3',4,4',5,5',6-Octachlorobiphenyl is 74472-53-0.

What are the molecular formula and molecular weight of 2,3,3',4,4',5,5',6-Octachlorobiphenyl?

2,3,3',4,4',5,5',6-Octachlorobiphenyl has molecular formula C12H2Cl8 and molecular weight 429.76800 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3,3',4,4',5,5',6-Octachlorobiphenyl (CAS 74472-53-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027080-8 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.