Methylcyclohexane — workplace exposure limit
What is the pel (ppm) for Methylcyclohexane — workplace exposure limit?
For Methylcyclohexane, pel (ppm) is 500; pel (mg/m³) is 2000; cas no. is 108-87-2, verified against its source on 2026-08-05.
Methylcyclohexane | 108-87-2 | 500 | 2000 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Methylcyclohexane verified
- CAS No.
- 108-87-2 verified
- PEL (ppm)
- 500 verified
- PEL (mg/m³)
- 2000 verified
- NIOSH REL (ppm)
- TWA 400 per cdc.gov
- NIOSH REL (mg/m³)
- 1600 per cdc.gov
What cdc.gov says
NIOSH REL TWA 400 ppm (1600 mg/m3)
— cdc.gov, retrieved 2026-09-08
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
PEL (ppm)
osha.gov says pel (ppm) is 500, as of 2026-08-05.
Methylcyclohexane | 108-87-2 | 500 | 2000 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 400, as of 2026-08-05.
108872 | | Methylcyclohexane | 400 | 1,600
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 2000, as of 2026-08-05.
Methylcyclohexane | 108-87-2 | 500 | 2000 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 1,600, as of 2026-08-05.
108872 | | Methylcyclohexane | 400 | 1,600
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0406.html