Is Monoethylene Glycol Toxic
Yes, monoethylene glycol (MEG) is toxic, especially if ingested. Without immediate treatment, it can even be fatal. Widely applied in antifreeze, MEG is biodegradable and has low environmental risk, but ingestion leads to central nervous system depression, severe metabolic acidosis, and kidney failure.
Key Toxicity Details
Ingestion: Highly toxic, with a sweet taste that hides its danger. Symptoms develop in stages: intoxication and vomiting (1–4 hours after ingestion), followed by severe metabolic acidosis (12–24 hours) and eventual renal failure.
Symptoms: Nausea, vomiting, abdominal cramps, coma, and seizures.
Exposure Routes: The main hazard comes from swallowing. It is poorly absorbed through the skin but may cause mild skin and eye irritation. Inhalation of high-concentration vapours or mists can also be harmful.
monoethylene glycol (MEG) Safety Information:
1. Monoethylene glycol is toxic and may cause harm to health, especially through inhalation, ingestion, or skin contact.
2. Prolonged or excessive exposure to ethylene glycol may lead to diseases of the kidneys, liver, and nervous system.
3. When using MEG ethylene glycol, wear protective gloves, safety glasses, and protective clothing to avoid direct contact with skin and eyes. Work in a well-ventilated area and avoid inhaling its vapors.
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