2-Hexanone — workplace exposure limit
What is the niosh rel (ppm) for 2-Hexanone — workplace exposure limit?
For 2-Hexanone, niosh rel (ppm) is TWA 1; niosh rel (mg/m³) is 4; cas no. is 591-78-6, verified against its source on 2026-09-08.
NIOSH REL TWA 1 ppm (4 mg/m3)
— cdc.gov, retrieved 2026-09-08
- Substance
- 2-Hexanone verified
- CAS No.
- 591-78-6 verified
- NIOSH REL (ppm)
- TWA 1 verified
- NIOSH REL (mg/m³)
- 4 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 - 2-Hexanone
CAS No.
CAS No. 591-78-6
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0325.html