Hydrogen
For Hydrogen, classification system is IEC / ATEX; apparatus / gas group is IIC; temperature class is T1; ignition temperature (c) is 500, recorded from its source on 2026-08-06.
- Substance
- Hydrogen verified
- Classification system
- IEC / ATEX our reading
- Apparatus / gas group
- IIC verified
- Temperature class
- T1 verified
- Ignition temperature (C)
- 500 verified
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
Hydrogen | T1 | IIC | 500
— e2s.com, retrieved 2026-08-06
Source
- e2s.comhttps://www.e2s.com/guide-for-hazardous-areas/apparatus-groups-and-common-flammable-ga