Potassium cyanide (as CN) — workplace exposure limit
What is the niosh rel (ppm) for Potassium cyanide (as CN) — workplace exposure limit?
For Potassium cyanide (as CN), niosh rel (ppm) is 4.7; niosh rel (mg/m³) is C 5; cas no. is 151-50-8, verified against its source on 2026-09-08.
NIOSH REL C 5 mg/m3 (4.7 ppm) [10-minute]
— cdc.gov, retrieved 2026-09-08
- Substance
- Potassium cyanide (as CN) verified
- CAS No.
- 151-50-8 verified
- NIOSH REL (ppm)
- 4.7 verified
- NIOSH REL (mg/m³)
- C 5 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 - Potassium cyanide (as CN)
CAS No.
CAS No. 151-50-8
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0522.html