p-Dimethylaminoazobenzene

**Definition:** A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound may reasonably be anticipated to be a carcinogen. (Merck, 11th ed)

**Tree numbers:** - D02.092.146.325

**Synonyms:** - Butter Yellow - Methyl Yellow - 4-Dimethylaminoazobenzene