Reference Source

Diazomethane

For Diazomethane, cas no. is 334-88-3; pel (ppm) is 0.2; pel (mg/m³) is 0.4, verified against its source on 2026-08-05.

Substance
Diazomethane
CAS No.
334-88-3
PEL (ppm)
0.2
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

Diazomethane | 334-88-3 | 0.2 | 0.4 | - |

osha.gov, retrieved 2026-08-05

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.