(shipping) Items that are extremely toxic to man and animals. (UN CLASS 6.) Examples are cyanogen gas, lead cyanide and parathion. Hazards/precautions are: may cause death quickly if breathed, swallowed or touched; may be flammable, explosive, corrosive or irritating; may be EXTREMELY HAZARDOUS. Look for the “Skull and Crossbones” on the label; degree of hazard key words: poison, danger, warning, highly toxic, moderately toxic, least toxic; and read the label carefully for storage and safety information.