GLYCEROLInhalation: Due to the low vapor pressure, inhalation of the vapors at room temperatures is unlikely. Inhalation of mist may cause irritation of respiratory tract. Ingestion: Low toxicity. May cause nausea, headache, diarrhea. Skin Contact: May cause irritation. Eye Contact: May cause irritation. Chronic Exposure: May cause kidney injury. Aggravation of Pre-existing Conditions: Persons with pre-existing skin disorders or eye problems or impaired liver or kidney function may be more susceptible to the effects of the substance.