2,2',3,3',4,4',6-Heptachloro-1,1'-biphenyl

2,2',3,3',4,4',6-七氯联苯

Also known as: PCB 171, BZNO 171, 2,2',3,3',4,4',6-Heptachlorobiphenyl, 2,2',3,3',4,4',6-Heptachloro-1,1'-biphenyl, 1,2,3,5-tetrachloro-4-(2,3,4-trichlorophenyl)benzene, 2,3,4,2',3',4',6'-heptachlorobiphenyl, 2,3,4,6,2',3',4'-heptachlorobiphenyl

2,2',3,3',4,4',6-Heptachloro-1,1'-biphenyl (CAS 52663-71-5) 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 395.32300 g/mol. It is also known as PCB 171, BZNO 171 and 2,2',3,3',4,4',6-Heptachlorobiphenyl. Key properties include a melting point of 117.5°C, a boiling point of 410.8ºC at 760 mmHg, a density of 1.658 g/cm3 and a flash point of 200.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52663-71-5

Jingsj CID

J-11123-8

Molecular Formula

C₁₂H₃Cl₇

Chinese Name

2,2',3,3',4,4',6-七氯联苯

Molecular Weight

395.32300 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026