Methyl chloride — workplace exposure limit
What is the cas no. for Methyl chloride — workplace exposure limit?
For Methyl chloride, cas no. is 74-87-3, verified against its source on 2026-08-05.
Methyl chloride | 74-87-3 | - | (2) | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Methyl chloride verified
- CAS No.
- 74-87-3 verified
- PEL (ppm)
- 50 per dir.ca.gov
- PEL (mg/m³)
- 105 per dir.ca.gov
- Ceiling
- 300 ppm per dir.ca.gov
- STEL (ppm)
- 100 per dir.ca.gov
- STEL (mg/m³)
- 210 per dir.ca.gov
- NIOSH REL, as stated
- Ca See Appendix A per cdc.gov
What dir.ca.gov says
74873 | | Methyl chloride | 50 | 105 | 300 ppm | 100 | 210
— dir.ca.gov, retrieved 2026-08-05
What cdc.gov says
NIOSH REL Ca See Appendix A
— cdc.gov, retrieved 2026-09-08
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/npgd0403.html