Diethylenetriamine — CAS 111-40-0 — workplace exposure limit
What is the niosh rel (ppm) for Diethylenetriamine — CAS 111-40-0 — workplace exposure limit?
For Diethylenetriamine, niosh rel (ppm) is TWA 1; niosh rel (mg/m³) is 4; cas no. is 111-40-0, verified against its source on 2026-09-08.
NIOSH REL TWA 1 ppm (4 mg/m3) [skin]
— cdc.gov, retrieved 2026-09-08
- Substance
- Diethylenetriamine verified
- CAS No.
- 111-40-0 verified
- NIOSH REL (ppm)
- TWA 1 verified
- NIOSH REL (mg/m³)
- 4 verified
- PEL (ppm)
- 1 per dir.ca.gov
- PEL (mg/m³)
- 4 per dir.ca.gov
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 - Diethylenetriamine
CAS No.
CAS No. 111-40-0
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
111400S | | Diethylenetriamine | 1 | 4
— dir.ca.gov, retrieved 2026-09-25
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0211.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html