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CAS number
74-90-8Workplace exposure standards
- TWA
- 1 ppm
- 1 mg/m3
- STEL
- -
- -
- CEILING
- 5 ppm
- 5 mg/m3
Notations
skin: Skin absorption.
oto: Ototoxin.
- Notes
- The level of skin absorption for gaseous hydrogen cyanide is acknowledged to be low compared with its salts and aqueous solutions.
- Year adopted
- 2022
- Next review
- -
External resources
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