Malononitrile — workplace exposure limit
What is the niosh rel (ppm) for Malononitrile — workplace exposure limit?
For Malononitrile, niosh rel (ppm) is TWA 3; niosh rel (mg/m³) is 8; cas no. is 109-77-3, verified against its source on 2026-09-08.
NIOSH REL TWA 3 ppm (8 mg/m3)
— cdc.gov, retrieved 2026-09-08
- Substance
- Malononitrile verified
- CAS No.
- 109-77-3 verified
- NIOSH REL (ppm)
- TWA 3 verified
- NIOSH REL (mg/m³)
- 8 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 - Malononitrile
CAS No.
CAS No. 109-77-3
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0378.html