First aid
Evacuate to fresh air without entering the release area. Call emergency medical services. Rescue only by trained responders with positive-pressure SCBA; oxygen or CPR only if trained.
SDS Library
Safety Data Sheet
Hydrogen sulfide
Hydrogen sulfide · CAS 7783-06-4 · OTIS sample supplier (illustrative)
Linked gases: H2S
Sample only — not for operational use. These illustrative summaries and PDFs are not manufacturer-issued SDSs. Replace them with approved supplier documents before use.
Approved · CurrentRevision 2026-02-10
Emergency summary
Firefighting
Evacuate; isolate supply only if safe. Do not extinguish a leaking gas fire unless the leak can be stopped safely. Cool cylinders from a protected position. Responders require SCBA.
Accidental release
Evacuate upwind, isolate the area, remove ignition sources only if safe. Do not enter confined spaces. Trained responders use SCBA and gas monitoring.
Version history
2 retained versions| Revision | Status | Uploaded by / when | Approved by / when | Actions |
|---|---|---|---|---|
| 2026-02-10 | Approved | Sample safety coordinator 2026-02-10 09:00 UTC | Sample safety reviewer 2026-02-10 10:00 UTC | |
| 2024-06-15 | Superseded | Sample safety coordinator 2024-06-15 09:00 UTC | Sample safety reviewer 2024-06-15 10:00 UTC |