1-Chloro-1-nitropropane — workplace exposure limit
What is the pel (ppm) for 1-Chloro-1-nitropropane — workplace exposure limit?
For 1-Chloro-1-nitropropane, pel (ppm) is 20; pel (mg/m³) is 100; cas no. is 600-25-9, verified against its source on 2026-08-05.
1-Chloro-1-nitropropane | 600-25-9 | 20 | 100 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- 1-Chloro-1-nitropropane verified
- CAS No.
- 600-25-9 verified
- PEL (ppm)
- 20 verified
- PEL (mg/m³)
- 100 verified
- NIOSH REL (ppm)
- TWA 2 per cdc.gov
- NIOSH REL (mg/m³)
- 10 per cdc.gov
What cdc.gov says
NIOSH REL TWA 2 ppm (10 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 20, as of 2026-08-05.
1-Chloro-1-nitropropane | 600-25-9 | 20 | 100 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 2, as of 2026-08-05.
600259 | | 1-Chloro-1-nitropropane | 2 | 10
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 100, as of 2026-08-05.
1-Chloro-1-nitropropane | 600-25-9 | 20 | 100 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 10, as of 2026-08-05.
600259 | | 1-Chloro-1-nitropropane | 2 | 10
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/npgd0130.html