Reference Source

Butyl mercaptan

For Butyl mercaptan, cas no. is 109-79-5; pel (ppm) is 10; pel (mg/m³) is 35, verified against its source on 2026-08-05.

Substance
Butyl mercaptan
CAS No.
109-79-5
PEL (ppm)
10
PEL (mg/m³)
35
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

Butyl mercaptan | 109-79-5 | 10 | 35 | - |

— 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.