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CAS 629-14-1

Ethylene Glycol Diethyl Ether

Ethylene glycol diethyl ether is a flammable liquid used mainly as a solvent in labs and some manufacturing. It matters because vapors can irritate the eyes and lungs, cause dizziness at high levels, and the chemical can form explosive peroxides if stored improperly [1][2].

Where It Comes From

Made for use as an organic solvent and process chemical; releases can occur during industrial use, storage, and lab handling [1][2][3].

How You Are Exposed

Breathing vapors at work, skin or eye contact with liquid, or from spills; consumer exposure is uncommon [1][2].

Why It Matters

Short-term exposure can cause irritation, headache, and drowsiness; very high levels may depress the central nervous system. It’s highly flammable and a peroxide former, posing fire/explosion hazards. As a volatile organic compound (VOC), emissions can contribute to smog/ground-level ozone [1][2][4].

Who Is at Risk

Workers who handle solvents (lab staff, chemical manufacturing, coatings) and people in poorly ventilated spaces; those with asthma or lung disease may be more sensitive to irritation [1][4].

How to Lower Your Exposure

Use in a fume hood or well-ventilated area; avoid skin contact (wear gloves and eye protection); keep containers closed, away from heat/ignition; date/test/discard old stock to prevent peroxide buildup; follow your Safety Data Sheet; report spills/odors and increase ventilation [1][2][4].

References

  1. [1]NOAA/EPA. CAMEO Chemicals: Ethylene glycol diethyl ether (CAS 629-14-1). https://cameochemicals.noaa.gov
  2. [2]NIH/NLM. PubChem Compound Summary: 1,2-Diethoxyethane (CAS 629-14-1). https://pubchem.ncbi.nlm.nih.gov/compound/1_2-Diethoxyethane
  3. [3]U.S. EPA. CompTox Chemicals Dashboard: 629-14-1. https://comptox.epa.gov/dashboard/chemical/details/629-14-1
  4. [4]U.S. EPA. Volatile Organic Compounds (VOCs) and indoor air. https://www.epa.gov/indoor-air-quality-iaq/volatile-organic-compounds-impact-indoor-air-quality

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