Methyl Mercaptan
For Methyl Mercaptan, cas no. is 74-93-1; osha psm tq (lbs) is 5000, verified against its source on 2026-08-15.
- Substance
- Methyl Mercaptan verified
- CAS No.
- 74-93-1 verified
- OSHA PSM TQ (lbs)
- 5000 verified
- EPA RMP TQ (lbs)
- 10,000 per ecfr.gov
- RMP category
- toxic per ecfr.gov
- RMP basis for listing
- b per ecfr.gov
What the source says
Methyl Mercaptan | 74-93-1 | 5000
— osha.gov, retrieved 2026-08-15
What ecfr.gov says
Methyl mercaptan [Methanethiol] | 74-93-1 | 10,000 | b
— ecfr.gov, retrieved 2026-08-15