Ethylene oxide
Sterilant
Ethylene oxide is a gas used to kill germs and bacteria on things like medical tools and some food items, making them safe to use or eat. While it's very good at cleaning, it's a strong chemical that needs to be handled with great care because it can be harmful.
Source: IARC (International Agency for Research on Cancer)
It is classified as a human carcinogen, meaning it can cause cancer, and exposure should be minimized due to its toxicity.

What Is The Ethylene Oxide Sterilization Process? - The Operating Table
The Operating Table
r/RVAmag
Viral Video Sparks Questions About Cancer-Causing Gas in Richmond
A risk assessment of ethylene oxide release from a sterilization facility into a community.
Perry Q, Kissell K, Deckard B
2026
Read on PubMedalternative sterilization methods to ethylene oxide
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Last updated: May 16, 2026