For Fumes: Inhalation and eye contact. The finished alloy metal is not hazardous. Phosphor Bronze Alloy Material Safety Data Sheet ACCUTE ANIMAL TOXICITY DATA TYPE FOR PRODUCT (DUST OR FUME) FOR COMPONENTS COPPER TIN Oral LD 50 Believed to be moderately toxic mg/kg (mouse, intraperitoneal) No data Dermal LD 50 Believed to be > 2g/kg 375 mg ...