Methyl ethyl ketone (MEK)

For Methyl ethyl ketone (MEK), classification system is IEC / ATEX; apparatus / gas group is IIB; temperature class is T2; ignition temperature (c) is 505, recorded from its source on 2026-08-06.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Methyl ethyl ketone (MEK) | T2 | IIB | 505

— e2s.com, retrieved 2026-08-06

Source

• e2s.comhttps://www.e2s.com/guide-for-hazardous-areas/apparatus-groups-and-common-flammable-ga

Last verified against source: 2026-08-06. Due for re-check by 2028-08-05. This page as Markdown · OKF bundle · full dataset as JSON.