Aniline — workplace exposure limit
What is the pel (ppm) for Aniline — workplace exposure limit?
For Aniline, pel (ppm) is 2; pel (mg/m³) is 7.6; cas no. is 62533, verified against its source on 2026-08-05.
62533 | S | Aniline | 2 | 7.6
— dir.ca.gov, retrieved 2026-08-05
- Substance
- Aniline verified
- CAS No.
- 62533 verified
- PEL (ppm)
- 2 verified
- PEL (mg/m³)
- 7.6 verified
- NIOSH REL, as stated
- Ca See Appendix A per cdc.gov
What cdc.gov says
NIOSH REL Ca See Appendix A
— cdc.gov, retrieved 2026-09-08
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)
dir.ca.gov says pel (ppm) is 2, as of 2026-08-05.
62533 | S | Aniline | 2 | 7.6
https://www.dir.ca.gov/title8/5155.html
osha.gov says pel (ppm) is 5, as of 2026-08-05.
Aniline and homologs | 62-53-3 | 5 | 19 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
PEL (mg/m³)
dir.ca.gov says pel (mg/m³) is 7.6, as of 2026-08-05.
62533 | S | Aniline | 2 | 7.6
https://www.dir.ca.gov/title8/5155.html
osha.gov says pel (mg/m³) is 19, as of 2026-08-05.
Aniline and homologs | 62-53-3 | 5 | 19 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
Sources
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0033.html