An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Inert Reassessment Document for Methyl n-Amyl Ketone

MEK, MAK, and MIBK are used primarily as solvents in the manufacture of a wide variety of consumer products and as chemical intermediates, such adhesives, magnetic tapes, printing inks, de-greasing and cleaning fluids, antioxidants, perfumes, lacquers paint removers, cleaning fluids, acrylic coatings, pharmaceuticals, and resins.

  • Methyl n-Amyl Ketone - CAS No. 110-43-0
  • Methyl Ethyl Ketone - CAS No. 78-93-3
  • Methyl Isobutyl Ketone - CAS No. 108-10-1
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.