o-Anisidine — workplace exposure limit
What is the niosh rel (mg/m³) for o-Anisidine — workplace exposure limit?
For o-Anisidine, niosh rel (mg/m³) is TWA 0.5; cas no. is 90-04-0, verified against its source on 2026-09-08.
NIOSH REL Ca TWA 0.5 mg/m3 [skin]
— cdc.gov, retrieved 2026-09-08
- Substance
- o-Anisidine verified
- CAS No.
- 90-04-0 verified
- NIOSH REL (mg/m³)
- TWA 0.5 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 - o-Anisidine
CAS No.
CAS No. 90-04-0
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0034.html