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  Ethylene Oxide (C2H4O)  

Flammable Limits in Air: 3.0-100% (by volume)
CAS # 75-21-8
OSHA TWA: 1ppm
Ethylene Oxide is a colorless, toxic and flammable gas at room temperature. It is a suspected human carcinogen. Ethylene Oxide is produced in large volumes to make other chemicals (esp ethylene glycol). It is inexpensive and used in small quantities in hospitals for sterilizing medical instruments.


Osha Fact Sheet
EPA Information
Ethylene Oxide Sterilization Association

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