N-butyl-N-(4-hydroxybutyl)nitrosamine

**Semantic type:** Hazardous or Poisonous Substance

**Definition:** A synthetic carcinogenic compound found in a variety of smokes and industrial products, N-butyl-N-4-hydroxybutyl nitrosamine is used in biomedical research to induce transitional and squamous cell urinary bladder cancers and to promote experimental hepatocarcinogenesis, probably through abnormal DNA methylation. (NCI04)

**Synonyms:** - N-butyl-N-(4-hydroxybutyl) nitrosamine