Hexafluoroacetone — workplace exposure limit
What is the niosh rel (ppm) for Hexafluoroacetone — workplace exposure limit?
For Hexafluoroacetone, niosh rel (ppm) is TWA 0.1; niosh rel (mg/m³) is 0.7; cas no. is 684-16-2, verified against its source on 2026-09-08.
NIOSH REL TWA 0.1 ppm (0.7 mg/m³) [skin]
— cdc.gov, retrieved 2026-09-08
- Substance
- Hexafluoroacetone verified
- CAS No.
- 684-16-2 verified
- NIOSH REL (ppm)
- TWA 0.1 verified
- NIOSH REL (mg/m³)
- 0.7 verified
- PEL (ppm)
- 0.1 per dir.ca.gov
- PEL (mg/m³)
- 0.7 per dir.ca.gov
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 - Hexafluoroacetone
CAS No.
CAS No. 684-16-2
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
684162 | S | Hexafluoroacetone; 1,1,1,3,3,3-hexafluoro-2-propanone | 0.1 | 0.7
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0319.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html