Acetaldehyde
For Acetaldehyde, cas no. is 75-07-0; pel (ppm) is 200; pel (mg/m³) is 360, verified against its source on 2026-08-05.
- Substance
- Acetaldehyde
- CAS No.
- 75-07-0
- PEL (ppm)
- 200
- PEL (mg/m³)
- 360
What the source says
Acetaldehyde | 75-07-0 | 200 | 360 | - |
— 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 200, as of 2026-08-05.
Acetaldehyde | 75-07-0 | 200 | 360 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 25, as of 2026-08-05.
75070 | | Acetaldehyde | 25 | 45 | C
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 360, as of 2026-08-05.
Acetaldehyde | 75-07-0 | 200 | 360 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 45, as of 2026-08-05.
75070 | | Acetaldehyde | 25 | 45 | C
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html