Reference Source

Morpholine

For Morpholine, cas no. is 110-91-8; pel (ppm) is 20; pel (mg/m³) is 70, verified against its source on 2026-08-05.

Substance
Morpholine
CAS No.
110-91-8
PEL (ppm)
20
PEL (mg/m³)
70
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

Morpholine | 110-91-8 | 20 | 70 | X |

osha.gov, retrieved 2026-08-05

Source

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.