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

Also known as: PCB-128, PCB No. 128, BZ NO 128, 2,3,4,2',3',4'-Hexachlorobiphenyl, 1,1'-Biphenyl,2,2',3,3',4,4'-hexachloro-

2,2',3,3',4,4'-Hexachlorobiphenyl (CAS 38380-07-3) 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. Key properties include a melting point of 151°C, a boiling point of 403.8ºC at 760 mmHg, a density of 1.593 g/cm3 and a flash point of 198.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38380-07-3
Jingsj CID
J-1992860-5
Molecular Formula
C12H4Cl6
Molecular Weight
360.87800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point151°C
Boiling Point403.8ºC at 760 mmHg
Density1.593 g/cm3
Flash Point198.9ºC
Exact Mass357.84400
LogP7.27400
Refractive Index1.6270 (rough estimate)
Storage Conditionsroom temp

Frequently Asked Questions

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

The CAS number of 2,2',3,3',4,4'-Hexachlorobiphenyl is 38380-07-3.

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

2,2',3,3',4,4'-Hexachlorobiphenyl has molecular formula C12H4Cl6 and molecular weight 360.87800 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. "2,2',3,3',4,4'-Hexachlorobiphenyl (CAS 38380-07-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992860-5 (accessed 2026-11-06).

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