Organic Chemical
hempa
Subclass of:
Phosphoramides
Definitions related to hempa:
  • A chemosterilant agent that is anticipated to be a carcinogen.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (hexamethylphosphoramide) A clear, colorless liquid with an aromatic odor that emits toxic fumes of phosphorous oxides and nitrogen oxides when heated to decomposition. Hexamethylphosphoramide is used as a stabilizer against thermal degradation in polystyrene and is used as a solvent in research laboratories. Exposure to this substance irritates the eyes, skin and respiratory-tract. Hexamethylphosphoramide is reasonably anticipated to be a human carcinogen based on evidence of carcinogenicity in experimental animals. (NCI05)
    NCI
    U.S. National Cancer Institute, 2021
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