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

2,2',3,4',5,5',6-七氯联苯

Also known as: 2,2',3,4',5,5',6-Heptachloro-1,1'-biphenyl, PCB 187, BZ NO 187, 1,1'-Biphenyl, 2,2',3,4',5,5',6-heptachloro-, 1,2,4,5-tetrachloro-3-(2,4,5-trichlorophenyl)benzene, Lactic Acid Impurity 32, PCB NO 187

2,2',3,4',5,5',6-Heptachlorobiphenyl (CAS 52663-68-0) 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. It is also known as 2,2',3,4',5,5',6-Heptachloro-1,1'-biphenyl, PCB 187 and BZ NO 187. Key properties include a melting point of 149°C, a boiling point of 408.2±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 198.9±24.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52663-68-0

Jingsj CID

J-1250-8

Molecular Formula

C₁₂H₃Cl₇

Chinese Name

2,2',3,4',5,5',6-七氯联苯

Molecular Weight

395.323 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026