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."

Exposure Assessment
Vapor Pressure

1.78E-11 mm Hg

Adverse Effects
IARC Carcinogen

Possible Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Activities

Activities with risk of exposure: