Reference Source

Dimethylamine

For Dimethylamine, cas no. is 124-40-3; pel (ppm) is 10; pel (mg/m³) is 18, verified against its source on 2026-08-05.

Substance
Dimethylamine
CAS No.
124-40-3
PEL (ppm)
10
PEL (mg/m³)
18
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

Dimethylamine | 124-40-3 | 10 | 18 | - |

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.

Dimethylamine | 124-40-3 | 10 | 18 | - |

https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

dir.ca.gov says pel (ppm) is 5, as of 2026-08-05.

124403 | | Dimethylamine | 5 | 9.2 | | 15 | 27.6

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

PEL (mg/m³)

osha.gov says pel (mg/m³) is 18, as of 2026-08-05.

Dimethylamine | 124-40-3 | 10 | 18 | - |

https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

dir.ca.gov says pel (mg/m³) is 9.2, as of 2026-08-05.

124403 | | Dimethylamine | 5 | 9.2 | | 15 | 27.6

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.