2,2',5,5'-tetrachlorobiphenyl

Synonyms: "2,5,2',5'-tetrachlorobiphenyl", "2,2',5,5'-tetrachloro-1,1'-biphenyl", "2,3',5,6'-tetrachlorobiphenyl", "2,2',5,5'-TCB", "PCB 52", "TCBP"

Source: 2,2',5,5'-tetrachlorobiphenyl is a member of the polychlorinated biphenyls (PCBs), a group of industrial chemicals used as dielectrics, coolants and lubricants in electrical equipment. PCBs contaminate water by leaching from landfills or other waste deposits.

Identifiers:

IUPAC Name: 1,4-dichloro-2-(2,5-dichlorophenyl)benzene
CAS Number: 35693-99-3
PubChem ID: 37248
InChiKey: HCWZEPKLWVAEOV-UHFFFAOYSA-N
Canonical SMILES: C1=CC(=C(C=C1Cl)C2=C(C=CC(=C2)Cl)Cl)Cl

Structural Properties:

Molecular Formula: C12H6Cl4
Molecular Weight: 291,988

Pharmacophore Features:

Number of bond donors: 0
Number of bond acceptors: 0
Number of atoms different from hydrogen: 16

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Toxicological Information

ACToR (Aggregated Computational Toxicology Resource)

CCRIS (Chemical Carcinogenesis Research Information System)

GENE-TOX

CTD (Comparative Toxicogenomics Database)

Evidence Supporting This Chemical as an Endocrine Disruptor
TEDX List of Potential Endocrine Disruptors


Jansen HT, Cooke PS, Porcelli J, Liu T-C, Hansen LG. 1993. Estrogenic and antiestrogenic actions of PCBs in the female rat: In vitro and in vivo studies. Reprod Toxicol 7(3):237-248.

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