Chlorine trifluoride — CAS 7790-91-2 — workplace exposure limit
What is the pel (ppm) for Chlorine trifluoride — CAS 7790-91-2 — workplace exposure limit?
For Chlorine trifluoride, pel (ppm) is disputed: (C)0.1 per osha.gov, 0.1 per dir.ca.gov; pel (mg/m³) is disputed: (C)0.4 per osha.gov, 0.4 per dir.ca.gov; cas no. is 7790-91-2, verified against its source on 2026-08-05.
Chlorine trifluoride | 7790-91-2 | (C)0.1 | (C)0.4 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Chlorine trifluoride verified
- CAS No.
- 7790-91-2 verified
- PEL (ppm)
- (C)0.1 sources disagree
- PEL (mg/m³)
- (C)0.4 sources disagree
- Ceiling notation
- the values given in the PEL columns are ceiling values per dir.ca.gov
- NIOSH REL (ppm)
- C 0.1 per cdc.gov
- NIOSH REL (mg/m³)
- 0.4 per cdc.gov
What cdc.gov says
NIOSH REL C 0.1 ppm (0.4 mg/m³)
— cdc.gov, retrieved 2026-09-08
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Chlorine trifluoride
CAS No.
CAS No. 7790-91-2
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 (C)0.1, as of 2026-08-05.
Chlorine trifluoride | 7790-91-2 | (C)0.1 | (C)0.4 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 0.1, as of 2026-09-28.
7790912 | | Chlorine trifluoride | 0.1 | 0.4 | C
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is (C)0.4, as of 2026-08-05.
Chlorine trifluoride | 7790-91-2 | (C)0.1 | (C)0.4 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 0.4, as of 2026-09-28.
7790912 | | Chlorine trifluoride | 0.1 | 0.4 | C
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/npgd0117.html