Mercury compounds [except (organo) alkyls] (as Hg) — workplace exposure limit
What is the niosh rel (mg/m³) for Mercury compounds [except (organo) alkyls] (as Hg) — workplace exposure limit?
For Mercury compounds [except (organo) alkyls] (as Hg), niosh rel (mg/m³) is TWA 0.05; cas no. is 7439-97-6 (metal), verified against its source on 2026-09-08.
NIOSH REL NIOSH REL: Hg Vapor: TWA 0.05 mg/m3 [skin] Other: C 0.1 mg/m3 [skin]
— cdc.gov, retrieved 2026-09-08
- Substance
- Mercury compounds [except (organo) alkyls] (as Hg) verified
- CAS No.
- 7439-97-6 (metal) verified
- NIOSH REL (mg/m³)
- TWA 0.05 verified
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Mercury compounds [except (organo) alkyls] (as Hg)
CAS No.
CAS No. 7439-97-6 (metal)
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0383.html