Carbon tetrachloride — workplace exposure limit
What is the cas no. for Carbon tetrachloride — workplace exposure limit?
For Carbon tetrachloride, cas no. is 56-23-5, verified against its source on 2026-08-05.
Carbon tetrachloride | 56-23-5 | - | (2) | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Carbon tetrachloride verified
- CAS No.
- 56-23-5 verified
- PEL (ppm)
- 2 per dir.ca.gov
- PEL (mg/m³)
- 12.6 per dir.ca.gov
- Ceiling
- 200 ppm per dir.ca.gov
- STEL (ppm)
- 10 per dir.ca.gov
- STEL (mg/m³)
- 63 per dir.ca.gov
- NIOSH REL (ppm)
- ST 2 per cdc.gov
- NIOSH REL (mg/m³)
- 12.6 per cdc.gov
What dir.ca.gov says
56235 | S | Carbon tetrachloride | 2 | 12.6 | 200 ppm | 10 | 63
— dir.ca.gov, retrieved 2026-08-05
What cdc.gov says
NIOSH REL Ca ST 2 ppm (12.6 mg/m3) [60-minute]
— cdc.gov, retrieved 2026-09-08
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/npgd0107.html