Acetylene — CAS 74862 — workplace exposure limit
What is the cas no. for Acetylene — workplace exposure limit?
For Acetylene, cas no. is 74862, verified against its source on 2026-09-29.
74862 | | Acetylene | (h)
— dir.ca.gov, retrieved 2026-08-05
- Substance
- Acetylene verified
- CAS No.
- 74862 verified
- NIOSH REL (ppm)
- C 2500 per cdc.gov
- NIOSH REL (mg/m³)
- 2662 per cdc.gov
What cdc.gov says
NIOSH REL C 2500 ppm (2662 mg/m3)
— cdc.gov, retrieved 2026-09-08
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Acetylene
CAS No.
CAS No. 74-86-2
Sources
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0008.html