2,2',5,5'-Tetrachlorobiphenyl

2,2',5,5'-四氯联苯

Also known as: 2,2',5,5'-Tetrachloro-1,1'-biphenyl, 2,2',5,5'-TCB, PCB 52, PCB NO 52, BZ NO 52, BALLSCHMITER NO 52, 1,1'-Biphenyl, 2,2',5,5'-tetrachloro-

2,2',5,5'-Tetrachlorobiphenyl (CAS 35693-99-3) 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 2,2',5,5'-Tetrachloro-1,1'-biphenyl, 2,2',5,5'-TCB and PCB 52. Key properties include a melting point of 87℃, a boiling point of 344.9±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 161.9±23.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

35693-99-3

Jingsj CID

J-1992883-0

Molecular Formula

C₁₂H₆Cl₄

Chinese Name

2,2',5,5'-四氯联苯

Molecular Weight

291.988 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026