p-tert-Butyltoluene
For p-tert-Butyltoluene, cas no. is 98-51-1; pel (ppm) is 10; pel (mg/m³) is 60, verified against its source on 2026-08-05.
- Substance
- p-tert-Butyltoluene
- CAS No.
- 98-51-1
- PEL (ppm)
- 10
- PEL (mg/m³)
- 60
What the source says
p-tert-Butyltoluene | 98-51-1 | 10 | 60 | - |
— 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.
p-tert-Butyltoluene | 98-51-1 | 10 | 60 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 1, as of 2026-08-05.
98511 | | p-tert-Butyltoluene | 1 | 6.1 | | 20 | 120
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 60, as of 2026-08-05.
p-tert-Butyltoluene | 98-51-1 | 10 | 60 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 6.1, as of 2026-08-05.
98511 | | p-tert-Butyltoluene | 1 | 6.1 | | 20 | 120
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html