N-Nitrosopyrrolidine

**Semantic type:** Hazardous or Poisonous Substance

**Definition:** A clear, yellow, oily, liquid nitrosamine that decomposes when exposed to light and emits toxic fumes of nitrogen oxides when heated to decomposition. N-Nitrosopyrrolidine is used in laboratory research to induce tumors in experimental animals. This substance may be formed during cooking of foods that contain sodium nitrite as a preservative, including meat, fish and cheese. Exposure to N- Nitrosopyrrolidine irritates the skin and eyes and can damage the liver and kidneys. This substance is reasonably anticipated to be a human carcinogen. (NCI05)

**Synonyms:** - 1-Nitrosopyrrolidine - N-NITROSOPYRROLIDINE - NO-PYR - NPYR - Pyrrolidine, 1-nitroso- - Tetrahydro-N-nitroso-pyrrole