Hydroquinone — workplace exposure limit
What is the pel (mg/m³) for Hydroquinone — workplace exposure limit?
For Hydroquinone, pel (mg/m³) is 2; cas no. is 123-31-9, verified against its source on 2026-08-05.
Hydroquinone | 123-31-9 | - | 2 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Hydroquinone verified
- CAS No.
- 123-31-9 verified
- PEL (mg/m³)
- 2 verified
- NIOSH REL (mg/m³)
- C 2 per cdc.gov
What cdc.gov says
NIOSH REL C 2 mg/m3 [15-minute]
— cdc.gov, retrieved 2026-09-08