Benzidine — workplace exposure limit
What is the niosh rel, as stated for Benzidine — workplace exposure limit?
For Benzidine, niosh rel, as stated is Ca See Appendix A See Appendix C; cas no. is 92-87-5, verified against its source on 2026-09-08.
NIOSH REL Ca See Appendix A See Appendix C
— cdc.gov, retrieved 2026-09-08
- Substance
- Benzidine verified
- CAS No.
- 92-87-5 verified
- NIOSH REL, as stated
- Ca See Appendix A See Appendix C 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 - Benzidine
CAS No.
CAS No. 92-87-5
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
92875 | S | Benzidine; 4,4′-diaminobiphenyl, see Section 5209
— dir.ca.gov, retrieved 2026-08-05
What osha.gov says
Benzidine; see 1910.1010 | 92-87-5 | - | - | - |
— osha.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0051.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1