Agent Name

2,3',4,4',5,5'-Hexachlorobiphenyl

CAS Number

52663-72-6

Formula

C12-H4-Cl6

Major Category

Other Classes

Synonyms

2,4,5,3',4',5'-Hexachlorobiphenyl; 1,1'-Biphenyl, 2,3',4,4',5,5'-hexachloro-; PCB 167; [ChemIDplus] UN2315

Category

Halogenated Polyaromatics

Description

White solid; [MSDSonline]

Sources/Uses

Commercial production of PCBs stopped in 1977 in the US; [HSDB]

Comments

Emergency medical treatment: see PCB-PBB; A skin and eye irritant; [HSDB] An eye irritant; May cause liver damage; [MSDSonline] See "Chlorodiphenyl (42% chlorine)." For IARC changes in 2016, see "Polychlorinated biphenyls" and the linked occupational disease.

Exposure Assessment
Vapor Pressure

5.81E-7 mm Hg

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Reproductive Toxin

Yes

Dermatotoxin

Chloracne

IARC Carcinogen

Known Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: