Safety Statements: Poison by ingestion, intravenous, intraperitoneal, subcutaneous, and intramuscular routes. Human systemic effects by ingestion: altered sleep patterns, anorexia, and change in heart rate. Experimental reproductive effects. An eye irritant. A powerful central nervous system stimulant. When heated to decomposition it emits very toxic fumes of NOx and HCl. See also BENZEDRINE.