Reference Source

Osmium tetroxide (as Os)

For Osmium tetroxide (as Os), cas no. is 20816-12-0; pel (mg/m³) is 0.002, verified against its source on 2026-08-05.

Substance
Osmium tetroxide (as Os)
CAS No.
20816-12-0
PEL (mg/m³)
0.002
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

Osmium tetroxide (as Os) | 20816-12-0 | - | 0.002 | - |

— 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.