# Di-ethyl ether — Gas group, temperature class and autoignition temperature by substance

For Di-ethyl ether, classification system is IEC / ATEX; apparatus / gas group is IIB; temperature class is T4; ignition temperature (c) is 160, recorded from its source on 2026-08-06.

- **Substance:** Di-ethyl ether _(verified: appears in the quote below)_
- **Classification system:** IEC / ATEX _(our reading, not quoted from the source)_
- **Apparatus / gas group:** IIB _(verified: appears in the quote below)_
- **Temperature class:** T4 _(verified: appears in the quote below)_
- **Ignition temperature (C):** 160 _(verified: appears in the quote below)_

## What the source says

> Di-ethyl ether | T4 | IIB | 160

## Source

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

Last verified: 2026-08-06. Review by: 2028-08-05.
Part of [Gas group, temperature class and autoignition temperature by substance](https://referencesource.org/hazardous-area-substance-classification/).