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

2,2',3,3',4,4',5-七氯联苯

Also known as: PCB 170, 2,2',3,3',4,4',5-Heptachloro-1,1'-biphenyl, 1,1'-Biphenyl, 2,2',3,3',4,4',5-heptachloro-, BZ No 170, CB-170, PCB No 170, 2,2',3,3',4,4',5-PCB

2,2',3,3',4,4',5-Heptachlorobiphenyl (CAS 35065-30-6) 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 PCB 170, 2,2',3,3',4,4',5-Heptachloro-1,1'-biphenyl and 1,1'-Biphenyl, 2,2',3,3',4,4',5-heptachloro-. Key properties include a melting point of 135°C, a boiling point of 428.1±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 213.6±24.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

35065-30-6

Jingsj CID

J-1992869-4

Molecular Formula

C₁₂H₃Cl₇

Chinese Name

2,2',3,3',4,4',5-七氯联苯

Molecular Weight

395.323 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026