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Isopentane & 2,2,4-Trimethylpentane

This ODH factsheet answers many common questions about isopentane and 2,2,4-trimethylpentane (TMP), including:

  • What are isopentane and 2,2,4-TMP and how do they get into the environment?

  • How do isopentane and 2,2,4-TMP get into my body?

  • Can I get sick from isopentane and 2,2,4-TMP?

  • Do isopentane and 2,2,4-TMP cause cancer?

  • Can a test show if I have isopentane and 2,2,4-TMP in my body?

  • Where can I get more information?


Local health departments are encouraged to print these factsheets for distribution in the event of a public health incident involving isopentane and 2,2,4-TMP.


This factsheet may be updated periodically as new scientific information becomes available or as regulations change. You can find the date of the most recent updates to this factsheet inside the PDF.