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

2,2',3,3',4,5,5',6'-八氯联苯

Also known as: PCB 199, 1,2,3,4-tetrachloro-5-(2,3,5,6-tetrachlorophenyl)benzene, 2,2',3,3',4,5,5',6'-Octachloro-1,1'-biphenyl, 2,2',3,3',4,5,5',6'-OCTACB UNLABELED CERTIFIED STANDARD

2,2',3,3',4,5,5',6'-Octachlorobiphenyl (CAS 52663-75-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H2Cl8 and a molecular weight of 429.76800 g/mol. It is also known as PCB 199, 1,2,3,4-tetrachloro-5-(2,3,5,6-tetrachlorophenyl)benzene and 2,2',3,3',4,5,5',6'-Octachloro-1,1'-biphenyl. Key properties include a melting point of 150.67°C (estimate), a boiling point of 435.6ºC at 760 mmHg, a density of 1.716g/cm3 and a flash point of 216.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52663-75-9

Jingsj CID

J-1248-5

Molecular Formula

C₁₂H₂Cl₈

Chinese Name

2,2',3,3',4,5,5',6'-八氯联苯

Molecular Weight

429.76800 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026