1-Heptanethiol — workplace exposure limit
What is the niosh rel (ppm) for 1-Heptanethiol — workplace exposure limit?
For 1-Heptanethiol, niosh rel (ppm) is C 0.5; niosh rel (mg/m³) is 2.7; cas no. is 1639-09-4, verified against its source on 2026-09-08.
NIOSH REL C 0.5 ppm (2.7 mg/m3) [15-minute]
— cdc.gov, retrieved 2026-09-08
- Substance
- 1-Heptanethiol verified
- CAS No.
- 1639-09-4 verified
- NIOSH REL (ppm)
- C 0.5 verified
- NIOSH REL (mg/m³)
- 2.7 verified
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - 1-Heptanethiol
CAS No.
CAS No. 1639-09-4
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0313.html