CAS number
7803-51-2Workplace exposure standards
- TWA
- 0.3 ppm
- 0.42 mg/m3
- STEL
- 1 ppm
- 1.4 mg/m3
- CEILING
- -
- -
Notations
†: This is an interim WES or BEI
- Notes
- Current WES values will be maintained as interim values with a change to WES-TWA to 0.05ppm, and a WES-STEL of 0.2ppm to take effect in 2024 to protect for respiratory tract irritation and pulmonary oedema.
- Year adopted
- 2023
- Next review
- -
External resources
View this substance on PubChemFind another substance
See list of all substancesLast updated