Azobenzene

Synonyms

1,2-Diphenyldiazene; Azobenzeen [Dutch]; Azobenzide; Azobenzol; Azobisbenzene; Azodibenzene; Azofume; Benzene, azobis-; Benzene, azodi; Benzeneazobenzene; Benzofume; Diazene, diphenyl-; Diazobenzene; Diphenyldiazene; Diphenyldiimide; [ChemIDplus]

Category

Other Aromatics (Nitrogen)

Description

Orange-red solid; [Merck Index] Orange-red or dark brown solid; [CAMEO] Brown or orange powder; [Alfa Aesar MSDS]

Sources/Uses

Used as an acaricide, fumigant, and chemical intermediate (dyes, rubber accelerators, and polymers); Formerly used as an intermediate for the production of benzidine, insecticides, and pyrazolone derivatives; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; Oral administration causes liver damage in sub-chronic study of dogs and chronic study of rats; Methemoglobinemia followed by anemia observed in sub-chronic studies of mice and rats; Emergency treatment: "Aniline"; Aniline can induce methemoglobinemia, secondary hemolytic anemia, and liver damage. [HSDB] Sensitive to air and light; Dust mixtures with air may be explosive; A skin, eye, and respiratory tract irritant; Chronic exposure may cause effects to liver, kidneys, nervous system, and bone marrow; Can be absorbed through skin; [CAMEO] Evidence for carcinogenicity in rats but not in mice; [NTP] An irritant; [Alfa Aesar MSDS]

Biomedical References

0.000361 mm Hg

MetHgb is secondary toxic effect

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Not classifiable

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)