Chlorodifluoromethane — workplace exposure limit
What is the niosh rel (ppm) for Chlorodifluoromethane — workplace exposure limit?
For Chlorodifluoromethane, niosh rel (ppm) is TWA 1000; niosh rel (mg/m³) is 3500; cas no. is 75-45-6, verified against its source on 2026-09-08.
NIOSH REL TWA 1000 ppm (3500 mg/m3) ST 1250 ppm (4375 mg/m3)
— cdc.gov, retrieved 2026-09-08
- Substance
- Chlorodifluoromethane verified
- CAS No.
- 75-45-6 verified
- NIOSH REL (ppm)
- TWA 1000 verified
- NIOSH REL (mg/m³)
- 3500 verified
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Chlorodifluoromethane
CAS No.
CAS No. 75-45-6
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0124.html