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

Agent Name
2,2',4,4',5,5'-Hexachlorobiphenyl
CAS Number
35065-27-1
Formula
C12-H4-Cl6
Major Category
Other Classes
2,2',4,4',5,5'-Hexachlorobiphenyl formula graphical representation
Synonyms
1,1'-Biphenyl, 2,2',4,4',5,5'-hexachloro-; 2,2',4,4',5,5'-Hexachloro-1,1'-biphenyl; 2,4,5,2',4',5'-Hexachlorobiphenyl; Biphenyl, 2,2',4,4',5,5'-hexachloro-; CB-153; HCBP; K 153; PCB 153; [ChemIDplus] UN3432
Category
Halogenated Polyaromatics
Description
Solid; [MSDSonline]
Sources/Uses
Found in various Aroclor products; [HSDB]
Comments
Emergency medical treatment: see PCB-PBB; A skin and eye irritant; Gross and histopathological changes to the liver and some evidence of reproductive toxicity (more resorptions and abnormal placentas) were observed in high dose animal studies; [HSDB] See "Chlorodiphenyl (42% chlorine)." See "Polychlorinated biphenyls" and linked occupational disease.
Restricted
PCB's not commercially produced in the US since 1977; [HSDB]
Biomedical References

Exposure Assessment

Vapor Pressure
3.43E-06 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Polychlorinated biphenyls, solid"

Adverse Effects

Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Reproductive Toxin
Yes
Dermatotoxin
Chloracne
IARC Carcinogen
Established

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: