Safety Statements: A human poison by ingestion. An experimental poison by ingestion, subcutaneous, intraperitoneal, and intravenous routes. Human systemic effects by ingestion: hallucinations, distorted perceptions, muscle spasms and change in heart rate, and tinnitus. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx and HCl. A psychotherapeutic agent.