May cause eye irritation. Harmful if absorbed through the skin. May cause allergic reaction or sensitization by skin contact. May cause skin irritation and/or dermatitis. May cause irritation of respiratory tract. Prolonged, repeated, or high exposures may cause weakness and depression of the central nervous system. Inhalation of vapors may cause irritation of the nose, throat, lungs and respiratory tract. Harmful if swallowed. Prolonged and repeated skin contact may cause irritation and possibly dermatitis. Repeated or prolonged exposure may cause respiratory system damage. Overexposure may cause kidney, cardiovascular, skin and liver damage. Ethylene Glycol may cause kidney and liver damage upon prolonged and repeated overexposures. Studies have shown that repeated inhalation of ethylene glycol has produced adverse cardiovascular changes in laboratory animals. Ethylene glycol has been shown to cause birth defects in laboratory animals.