Health hazards: This product has anesthetic and stimulatory effects. Acute poisoning: The main manifestations are eye, nose, and throat irritation and dizziness, chest tightness, general weakness and other symptoms. In severe cases, there may be shock, coma, convulsions in the extremities, pulmonary edema, and finally death due to respiratory failure. After getting out of contact, it can return to normal quickly. Liquids are irritating to the skin; eye contact may cause damage to the cornea. Chronic effects: long-term repeated exposure can cause dermatitis.