Low hazard for usual handling. Skin contact may cause irritation. Brake fluid may be slowly absorbed through the skin. Excessive exposure for extended periods of time involving large areas of the skin would be necessary for absorption of harmful amounts. Low hazard at ambient condition. Avoid prolonged inhalation of mist or vapors. Acute or chronic overexposure may be irritating to the respiratory tract. Severe intoxication may lead to drowsiness, dullness, numbness and headache followed by dizziness, weakness and nausea. Do not ingest. Ingestion of large quantities may be fatal.