Xylidine — CAS 1300-73-8 — workplace exposure limit
What is the pel (ppm) for Xylidine — CAS 1300-73-8 — workplace exposure limit?
For Xylidine, pel (ppm) is disputed: 5 per osha.gov, 0.5 per dir.ca.gov; pel (mg/m³) is disputed: 25 per osha.gov, 2.5 per dir.ca.gov; cas no. is 1300-73-8, verified against its source on 2026-08-05.
Xylidine | 1300-73-8 | 5 | 25 | X |
— osha.gov, retrieved 2026-08-05
- Substance
- Xylidine verified
- CAS No.
- 1300-73-8 verified
- PEL (ppm)
- 5 sources disagree
- PEL (mg/m³)
- 25 sources disagree
- NIOSH REL (ppm)
- TWA 2 per cdc.gov
- NIOSH REL (mg/m³)
- 10 per cdc.gov
What cdc.gov says
NIOSH REL TWA 2 ppm (10 mg/m3) [skin]
— cdc.gov, retrieved 2026-09-08
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Xylidine
CAS No.
CAS No. 1300-73-8
What dir.ca.gov says
1300738 | | Aminodimethylbenzene; see Xylidene
— dir.ca.gov, retrieved 2026-08-05
What dir.ca.gov says
1300738 | | Dimethylaminobenzene; see Xylidene
— dir.ca.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 5, as of 2026-08-05.
Xylidine | 1300-73-8 | 5 | 25 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 0.5, as of 2026-08-05.
1300738 | S | Xylidine; aminodimethylbenzene | 0.5 | 2.5
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 25, as of 2026-08-05.
Xylidine | 1300-73-8 | 5 | 25 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 2.5, as of 2026-08-05.
1300738 | S | Xylidine; aminodimethylbenzene | 0.5 | 2.5
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0672.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html