Safety Statements: Poison by ingestion, intravenous, intraperitoneal, and subcutaneous routes. Human systemic effects by ingestion: allergic dermatitis, cardiomyopathy, changes in coronary arteries. Human teratogenic effects by an unspecified route: developmental abnormalities of the blood and lymphatic system. Questionable carcinogen. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.