Methylamine
For Methylamine, cas no. is 74-89-5; pel (ppm) is 10; pel (mg/m³) is 12, verified against its source on 2026-08-05.
- Substance
- Methylamine
- CAS No.
- 74-89-5
- PEL (ppm)
- 10
- PEL (mg/m³)
- 12
What the source says
Methylamine | 74-89-5 | 10 | 12 | - |
— 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 10, as of 2026-08-05.
Methylamine | 74-89-5 | 10 | 12 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 5, as of 2026-08-05.
74895 | | Methylamine | 5 | 6.4 | | 15 | 19
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 12, as of 2026-08-05.
Methylamine | 74-89-5 | 10 | 12 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 6.4, as of 2026-08-05.
74895 | | Methylamine | 5 | 6.4 | | 15 | 19
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html