Safety Statements: Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion, intravenous, and subcutaneous routes. An experimental teratogen. Human mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also N-NITROSO COMPOUNDS.Analytical Methods: For occupational chemical analysis use OSHA: #27 or NIOSH: Nitrosamines, 2522.