Dibenz(a,h)anthracene
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."
Biomedical References
Exposure Assessment
Vapor Pressure
1E-10 mm Hg
Adverse Effects
Dermatotoxin
PICD (photoirritant contact dermatitis)
IARC Carcinogen
Probable (2a)
NTP Carcinogen
Anticipated human carcinogen
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: