Hexone — CAS 108-10-1 — workplace exposure limit
What is the niosh rel (ppm) for Hexone — CAS 108-10-1 — workplace exposure limit?
For Hexone, niosh rel (ppm) is TWA 50; niosh rel (mg/m³) is 205; cas no. is 108-10-1, verified against its source on 2026-09-08.
NIOSH REL TWA 50 ppm (205 mg/m3) ST 75 ppm (300 mg/m3)
— cdc.gov, retrieved 2026-09-08
- Substance
- Hexone verified
- CAS No.
- 108-10-1 verified
- NIOSH REL (ppm)
- TWA 50 verified
- NIOSH REL (mg/m³)
- 205 verified
- PEL (ppm)
- 100 per osha.gov
- PEL (mg/m³)
- 410 per osha.gov
- STEL (ppm)
- 75 per dir.ca.gov
- STEL (mg/m³)
- 300 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 - Hexone
CAS No.
CAS No. 108-10-1
— all from cdc.gov, retrieved 2026-09-08
What osha.gov says
Hexone (Methyl isobutyl ketone) | 108-10-1 | 100 | 410 | - |
— osha.gov, retrieved 2026-08-05
What dir.ca.gov says
108101 | | Methyl isobutyl ketone; Hexone | 50 | 205 | | 75 | 300
— dir.ca.gov, retrieved 2026-08-05
What dir.ca.gov says
108101 | | Hexone; see Methyl isobutyl ketone
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0326.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html