Zinc cyanide

Agent Name
Zinc cyanide
CAS Number
557-21-1
Formula
C2-N2-Zn
Major Category
Toxic Gases & Vapors
Zinc cyanide formula graphical representation
Synonyms
Cyanure de zinc [French]; Zinc dicyanide; [ChemIDplus] UN1713
Category
Cyanides
Description
Colorless or white solid with an odor of bitter almonds; Insoluble in water; [Merck Index] Insoluble in water; Releases hydrogen cyanide upon contact with mineral acids; [Sullivan, p. 707]
Sources/Uses
Used in chemical analysis, electroplating, gold extraction, and removing ammonia from producer gas; [HSDB] Used to make phthalocyanine dyes; [Ullmann]
Comments
A skin irritant; May cause burns to eyes; [CAMEO] Releases hydrogen cyanide when reacted with carbon dioxide in the respiratory tract, which can cause acute cyanide poisoning; [CHEMINFO] Will not decompose when stored in the absence of air, moisture, and carbon dioxide; [Ullmann] An irritant; [MSDSonline] See "CYANIDES."
Biomedical References

Exposure Assessment

PEL (OSHA)
5 mg/m3, as CN
MAK
2 mg/m3, inhalable fraction, as CN
IDLH (NIOSH)
25 mg/m3, as CN
Lethal Concentration
LCLo (rat) = 61 mg/m3/4h
NFPA
will not burn

Adverse Effects

Other Poison
Chemical Asphyxiant

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: