Reference Source

Propylene oxide

For Propylene oxide, cas no. is 75-56-9; pel (ppm) is 100; pel (mg/m³) is 240, verified against its source on 2026-08-05.

Substance
Propylene oxide
CAS No.
75-56-9
PEL (ppm)
100
PEL (mg/m³)
240
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

Propylene oxide | 75-56-9 | 100 | 240 | - |

— 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.