Dibenzo(a,i)pyrene
Agent Name
Dibenzo(a,i)pyrene
CAS Number
189-55-9
Formula
C24-H14
Major Category
Other Classes
Synonyms
1,2,7,8-Dibenzopyrene; 1,2:7,8-Dibenzpyrene; 3,4:9,10-Dibenzopyrene; 3,4:9,10-Dibenzpyrene; Benzo(r,s,t)pentaphene; Benzo(rst)pentaphene; DB(a,i)P; Db(a,i)p; Dibenz(a,i)pyrene; Dibenzo(b,h)pyrene; [ChemIDplus]
Category
Polycyclic Aromatic Hydrocarbons
Description
Greenish-yellow solid; [HSDB]
Sources/Uses
Used as a research chemical; [HSDB] Present in fossil fuels, cigarette smoke, and coal tar; [CHEMINFO]
Comments
May cause irritation; [MSDSonline] See "POLYCYCLIC AROMATIC HYDROCARBONS."
Biomedical References
Exposure Assessment
Vapor Pressure
1.78E-11 mm Hg
Adverse Effects
IARC Carcinogen
Possible (2b)
NTP Carcinogen
Anticipated human carcinogen
Diseases, Processes, and Activities Linked to This Agent
Activities
Activities with risk of exposure: