2,3',4',5-Tetrachlorobiphenyl

2,3',4',5-四氯联苯

Also known as: 2,3',4',5-Tetrachlorobiphenyl, PCB 70, PCB-70, 2,3',4',5-TetracB (PCB-70), 1,1'-Biphenyl, 2,3',4',5-tetrachloro-, 2,5,3',4'-Tetrachlorobiphenyl, CB-70, PCB No 70

2,3',4',5-Tetrachlorobiphenyl (CAS 32598-11-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H6Cl4 and a molecular weight of 291.988 g/mol. It is also known as PCB 70, PCB-70 and 2,3',4',5-TetracB (PCB-70). Key properties include a melting point of 104℃ (ligroine ), a boiling point of 362.5±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 174.9±23.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

32598-11-1

Jingsj CID

J-1992900-0

Molecular Formula

C₁₂H₆Cl₄

Chinese Name

2,3',4',5-四氯联苯

Molecular Weight

291.988 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026