Reference Source

Hydrogen sulphide · IEC / ATEX · 270

For Hydrogen sulphide, classification system is IEC / ATEX; ignition temperature (c) is 270; apparatus / gas group is IIB; temperature class is T3, recorded from its source on 2026-10-06.

Substance
Hydrogen sulphide verified
Classification system
IEC / ATEX our reading
Apparatus / gas group
IIB verified
Temperature class
T3 verified
Ignition temperature (C)
270 verified
Sourcegreenishco.com
Verified
Review by
DatasetGas group, temperature class and autoignition temperature by substance

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

Apparatus / gas group

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

Hydrogen sulphide H2S 270 T3 IIB

— greenishco.com, retrieved 2026-10-06

Source

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