Cyanide salts, as CN

CAS Number

592-01-8, 143-33-9, 151-50-8

Last Revised


TWA Limit




Ceiling Limit

5 mg/m3

Notes & Notations
  • ACGIH Skin - Contributes to exposure by the skin route
Basis of B.C. Exposure Limit
Minimize the potential for:
  • Headache
  • Nausea
  • Thyroid gland enlargement
  • Upper respiratory tract irritation
  • Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.

25 mg/m3

 (Source: NIOSH)
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