Crotonaldehyde — workplace exposure limit
What is the niosh rel (ppm) for Crotonaldehyde — workplace exposure limit?
For Crotonaldehyde, niosh rel (ppm) is TWA 2; niosh rel (mg/m³) is 6; cas no. is 4170-30-3, verified against its source on 2026-09-08.
NIOSH REL TWA 2 ppm (6 mg/m3)
— cdc.gov, retrieved 2026-09-08
- Substance
- Crotonaldehyde verified
- CAS No.
- 4170-30-3 verified
- NIOSH REL (ppm)
- TWA 2 verified
- NIOSH REL (mg/m³)
- 6 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 - Crotonaldehyde
CAS No.
CAS No. 4170-30-3
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0157.html