Triethylamine
For Triethylamine, cas no. is 121-44-8; pel (ppm) is 25; pel (mg/m³) is 100, verified against its source on 2026-08-05.
- Substance
- Triethylamine
- CAS No.
- 121-44-8
- PEL (ppm)
- 25
- PEL (mg/m³)
- 100
What the source says
Triethylamine | 121-44-8 | 25 | 100 | - |
— osha.gov, retrieved 2026-08-05
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
PEL (ppm)
osha.gov says pel (ppm) is 25, as of 2026-08-05.
Triethylamine | 121-44-8 | 25 | 100 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 1, as of 2026-08-05.
121448 | S | Triethylamine | 1 | 4.1 | C
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 100, as of 2026-08-05.
Triethylamine | 121-44-8 | 25 | 100 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 4.1, as of 2026-08-05.
121448 | S | Triethylamine | 1 | 4.1 | C
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html