1,1,1,2-Tetrachloroethane — workplace exposure limit
What is the cas no. for 1,1,1,2-Tetrachloroethane — workplace exposure limit?
For 1,1,1,2-Tetrachloroethane, cas no. is 630-20-6, verified against its source on 2026-09-08.
NIOSH REL Handle with caution in the workplace. See Appendix C (Chloroethanes)
— cdc.gov, retrieved 2026-09-08
- Substance
- 1,1,1,2-Tetrachloroethane verified
- CAS No.
- 630-20-6 verified
- NIOSH REL, as stated
- Handle with caution in the workplace. See Appendix C (Chloroethanes) 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 - 1,1,1,2-Tetrachloroethane
CAS No.
CAS No. 630-20-6
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0597.html