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

Also known as: 1,1'-Biphenyl, 2,2',3,4,4',5',6-heptachloro-, 1,2,3,5-tetrachloro-4-(2,4,5-trichlorophenyl)benzene, 2,2',3,4,4',5',6-Heptachloro-1,1'-biphenyl, 2,2',3,4,4',5',6-Heptachlorobiphenyl, 2,2',3,4,4',5',6-HEPTACHLOROBIPHENYL, 2,2',3,4,4',5',6-PCB, BZNO 183, PCB 183, PCB NO 183, PCBCONGENER183

2,2',3,4,4',5',6-Heptachlorobiphenyl (CAS 52663-69-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H3Cl7 and a molecular weight of 395.323 g/mol. Key properties include a melting point of 83°C, a boiling point of 407.2±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 198.2±24.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52663-69-1

Jingsj CID

J-1026945-1

Molecular Formula

C₁₂H₃Cl₇

Molecular Weight

395.323 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026