Reference Source

Butylamine

For Butylamine, cas no. is 109-73-9; pel (ppm) is (C)5; pel (mg/m³) is (C)15, verified against its source on 2026-08-05.

Substance
Butylamine
CAS No.
109-73-9
PEL (ppm)
(C)5
PEL (mg/m³)
(C)15
Sourceosha.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

What the source says

Butylamine | 109-73-9 | (C)5 | (C)15 | X |

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 (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

https://www.dir.ca.gov/title8/5155.html

Sources

Last verified against source: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF concept · full dataset as JSON.