Butylamine — workplace exposure limit
What is the pel (ppm) for Butylamine — workplace exposure limit?
For Butylamine, pel (ppm) is (C)5; pel (mg/m³) is (C)15; cas no. is 109-73-9, verified against its source on 2026-08-05.
Butylamine | 109-73-9 | (C)5 | (C)15 | X |
— osha.gov, retrieved 2026-08-05
- Substance
- Butylamine verified
- CAS No.
- 109-73-9 verified
- PEL (ppm)
- (C)5 verified
- PEL (mg/m³)
- (C)15 verified
- Ceiling
- C per dir.ca.gov
- NIOSH REL (ppm)
- C 5 per cdc.gov
- NIOSH REL (mg/m³)
- 15 per cdc.gov
What cdc.gov says
NIOSH REL C 5 ppm (15 mg/m3) [skin]
— 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)
osha.gov says pel (ppm) is (C)5, as of 2026-08-05.
Butylamine | 109-73-9 | (C)5 | (C)15 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 5, as of 2026-08-05.
109739 | S | Butylamine | 5 | 15 | C
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is (C)15, as of 2026-08-05.
Butylamine | 109-73-9 | (C)5 | (C)15 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 15, as of 2026-08-05.
109739 | S | Butylamine | 5 | 15 | C
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0079.html