Ethyl chloride — CAS 75-00-3 — workplace exposure limit
What is the pel (ppm) for Ethyl chloride — CAS 75-00-3 — workplace exposure limit?
For Ethyl chloride, pel (ppm) is disputed: 1000 per osha.gov, 100 per dir.ca.gov; pel (mg/m³) is disputed: 2600 per osha.gov, 264 per dir.ca.gov; cas no. is 75-00-3, verified against its source on 2026-08-05.
Ethyl chloride | 75-00-3 | 1000 | 2600 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Ethyl chloride verified
- CAS No.
- 75-00-3 verified
- PEL (ppm)
- 1000 sources disagree
- PEL (mg/m³)
- 2600 sources disagree
- NIOSH REL, as stated
- Handle with caution in the workplace. See Appendix C (Chloroethanes) per cdc.gov
What cdc.gov says
NIOSH REL Handle with caution in the workplace. See Appendix C (Chloroethanes)
— cdc.gov, retrieved 2026-09-08
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Ethyl chloride
CAS No.
CAS No. 75-00-3
What dir.ca.gov says
75003 | | Chloroethane; see Ethyl chloride
— dir.ca.gov, retrieved 2026-08-05
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 1000, as of 2026-08-05.
Ethyl chloride | 75-00-3 | 1000 | 2600 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 100, as of 2026-08-05.
75003 | S | Ethyl chloride; chloroethane | 100 | 264
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 2600, as of 2026-08-05.
Ethyl chloride | 75-00-3 | 1000 | 2600 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 264, as of 2026-08-05.
75003 | S | Ethyl chloride; chloroethane | 100 | 264
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0267.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html