Agent Name

Dibenz(a,h)anthracene

CAS Number

53-70-3

Formula

C22-H14

Major Category

Other Classes

Synonyms

1,2,5,6-DBA; 1,2,5,6-Dibenzanthraceen [Dutch]; 1,2:5,6-Benzanthracene; 1,2:5,6-Dibenz(a)anthracene; 1,2:5,6-Dibenzanthracene; 1,2:5,6-Dibenzoanthracene; DB(a,h)A; DBA; [ChemIDplus]

Category

Polycyclic Aromatic Hydrocarbons

Description

Silvery solid; [Hawley] Colorless solid; [ICSC] White or pale yellow solid; [CAMEO] White solid; [Cerilliant MSDS]

Sources/Uses

Used as research chemical; Not commercially produced or used in the US; [HSDB]

Comments

May cause skin photosensitization; A probable human carcinogen; Can be absorbed through skin; [ICSC] Evidence of carcinogenicity, mutagenicity, developmental toxicity, and immunosuppression in experimental animals; Emergency treatment: "Polynuclear aromatic hydrocarbons"; Acute toxicity of PAHs is low; May cause photosensitivity; May cause cancer after chronic exposure; [HSDB] Causes decreased humoral immune response and changes in hepatic microsomal mixed oxidase in oral toxic-dose studies of mice; [RTECS] May cause skin and eye irritation; [Cerilliant MSDS] See "POLYCYCLIC AROMATIC HYDROCARBONS."

Exposure Assessment
Vapor Pressure

1.0E-10 mm Hg

Adverse Effects
Dermatotoxin

Contact Dermatitis, Photoirritant

IARC Carcinogen

Probable 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

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: