Reference Source

Phosphine

For Phosphine, cas no. is 7803-51-2; pel (ppm) is 0.3; pel (mg/m³) is 0.4, verified against its source on 2026-08-05.

Substance
Phosphine
CAS No.
7803-51-2
PEL (ppm)
0.3
PEL (mg/m³)
0.4
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

Phosphine | 7803-51-2 | 0.3 | 0.4 | - |

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.