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Cupric cyanide

Product Name:
Cupric cyanide
CAS No.
14763-77-0
Chemical Name:
Cupric cyanide
CBNumber:
CB2851871
Molecular Formula:
C2CuN2
Formula Weight:
115.5808
MOL File:
14763-77-0.mol
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Cupric cyanide Property

Melting point:
decomposes [CRC10]
Boiling point:
41°C (estimate)
form 
green powder
Water Solubility 
insoluble H2O; soluble acids and alkalies [HAW93]
EPA Substance Registry System
Copper cyanide (Cu(CN)2) (14763-77-0)
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Safety

RIDADR 
1587
HazardClass 
6.1(a)
PackingGroup 
II
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Cupric cyanide Chemical Properties,Usage,Production

Chemical Properties

Cupric cyanide is a yellowish-green powder which decomposes on heating.

Hazard

Toxic.

Safety Profile

Poison by intraperitoneal route. See also CYANIDE and COPPER COMPOUNDS. Incompatible with magnesium. When heated to decomposition it emits toxic fumes of NOx and CN-.

Potential Exposure

Copper cyanide is used in electroplating copper on iron; and as an insecticide and a catalyst.

Incompatibilities

Contact with heat, strong acids (HCl, H2SO4, HNO3) forms deadly hydrogen cyanide gas. May release hydrogen cyanide on contact with moisture. Incompatible with strong oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, acetylene gas, and chemically active metals, such as potassium, sodium, magnesium, and zinc.

Waste Disposal

Copper-containing soluble wastes can be concentrated through the use of ion exchange, reverse osmosis, or evaporators to the point where copper can be electrolytically removed and sent to a reclaiming firm. If recovery is not feasible, the copper can be precipitated through the use of caustics and the sludge deposited in a chemical waste landfill. Copper-containing wastes can be concentrated to the point where copper can be electrolytically removed and reclaimed. If recovery is not feasible, the copper can be precipitated by alkali; the cyanide destroyed by alkaline oxidation yielding a sludge which can be sent to a chemical waste landfill. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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Cupric cyanide Suppliers

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