ANTU — workplace exposure limit
What is the niosh rel (mg/m³) for ANTU — workplace exposure limit?
For ANTU, niosh rel (mg/m³) is TWA 0.3; cas no. is 86-88-4, verified against its source on 2026-09-08.
NIOSH REL TWA 0.3 mg/m3
— cdc.gov, retrieved 2026-09-08
- Substance
- ANTU verified
- CAS No.
- 86-88-4 verified
- NIOSH REL (mg/m³)
- TWA 0.3 verified
- PEL (mg/m³)
- 0.3 per dir.ca.gov
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 - ANTU
CAS No.
CAS No. 86-88-4
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
86884 | | ANTU; 1-(1-naphthyl)-2-thiourea; Bantu; Rattrack | -- | 0.3
— dir.ca.gov, retrieved 2026-08-05
What osha.gov says
ANTU (alpha Naphthylthiourea) | 86-88-4 | - | 0.3 | - |
— osha.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0037.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1