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

2,2',4,4',6,6'-六氯联苯

Also known as: 2,2',4,4',6,6'-PCB, 2,4,6,2',4',6'-Hexachlorobiphenyl, 1,1'-Biphenyl, 2,2',4,4',6,6'-hexachloro-, PCB 155, 2,2',4,4',6,6'-Hcb, 2,2',4,4',6,6'-hexachloro-1,1'-biphenyl, 2,2',4,4',6,6'-hexachlorodiphenyl, EINECS 251-773-8

2,2',4,4',6,6'-Hexachlorobiphenyl (CAS 33979-03-2) 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 2,2',4,4',6,6'-PCB, 2,4,6,2',4',6'-Hexachlorobiphenyl and 1,1'-Biphenyl, 2,2',4,4',6,6'-hexachloro-. Key properties include a melting point of 114ºC, a boiling point of 365.6±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 170.5±23.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

33979-03-2

Jingsj CID

J-33888-0

Molecular Formula

C₁₂H₄Cl₆

Chinese Name

2,2',4,4',6,6'-六氯联苯

Molecular Weight

360.878 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026