Agent Name

Pyrene

CAS Number

129-00-0

Formula

C16-H10

Major Category

Other Classes

Synonyms

Benzo(def)phenanthrene; Pyren [German]; beta-Pyrene; Coal tar pitch volatiles: pyrene; [ChemIDplus]

Category

Polycyclic Aromatic Hydrocarbons

Description

Colorless solid, but may be yellow from impurities; [Hawley] Solid and solutions have slight blue fluorescence; [Merck Index] Yellow crystalline solid; [MSDSonline]

Sources/Uses

Used in research; [Hawley] As a starting material in the production of optical brighteners and dyes; [HSDB] "It is a by-product of the pyrolysis of organic matter and is present in coal tar distillates, diesel exhaust, automobile exhaust, tobacco smoke, barbecue smoke, wood smoke, lake sediments, waste oils, and sewage." [CHEMINFO]

Comments

May cause photoirritant contact dermatitis; [ICSC] A skin irritant; [HSDB] An irritant; [MSDSonline] See "POLYCYCLIC AROMATIC HYDROCARBONS."

Exposure Assessment
Vapor Pressure

4.5E-6 mm Hg

Lethal Concentration

LC50 (rat) = 170 mg/m3

Adverse Effects
Dermatotoxin

Contact Dermatitis, Photoirritant

IARC Carcinogen

Not Classifiable

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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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: