216305

Sigma-Aldrich

Copper(I) cyanide

99%

Synonym(s):
Cuprous cyanide
Linear Formula:
CuCN
CAS Number:
Molecular Weight:
89.56
Beilstein/REAXYS Number:
3587244
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

99%

form

powder

mp

474 °C (lit.)

density

2.92 g/mL at 25 °C (lit.)

SMILES string

[Cu]C#N

InChI

1S/CN.Cu/c1-2;

InChI key

DULSAGLWMRMKCQ-UHFFFAOYSA-N

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Application

Applied in a widely useful, thiosulfate-assisted, synthesis of a variety of diamine-CuCN complexes.

Packaging

5 g in glass bottle
100, 500 g in poly bottle

Pictograms

Skull and crossbonesEnvironment

Signal Word

Danger

Hazard Statements

Supp Hazards

EUH032

RIDADR

UN 1587 6.1 / PGII

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Virender K Sharma et al.
Environmental science & technology, 39(10), 3849-3854 (2005-06-15)
Copper(Il) cyanide (Cu(CN)4(3-)) in the gold mine industry presentsthe biggest concern in cyanide management because it is much more stable than free cyanide. Cu(CN)4(3-) is highlytoxic to aquatic life; therefore, environmentally friendly techniques are required for the removal of Cu(CN)4(3-)...
Douglas B Grotjahn et al.
Journal of the American Chemical Society, 124(20), 5895-5901 (2002-05-16)
Copper(I) cyanide is an important reagent in organic, organometallic, and supramolecular chemistry because of both the copper center and the versatile cyanide ligand. Solid-phase CuCN and many of its derivatives show oligomeric or polymeric structures, a trait shared by other...
Fred B. Stocker et al.
Inorganic chemistry, 35(11), 3145-3153 (1996-05-22)
The syntheses and crystal structures of the first cyanide, sulfur mixed ligand copper(I) complexes are reported. The first complex of the family was discovered when (CuCN)(3)(C(6)H(12)N(4))(2) (1) (C(6)H(12)N(4) = hexamethylenetetramine) was treated with aqueous thiourea. The sulfur ligands include thiourea...
Fred B. Stocker et al.
Inorganic chemistry, 38(5), 984-991 (2001-10-24)
A new synthetic procedure developed recently in our laboratories has made possible the synthesis of variety of new complexes of CuCN with diamines. Synthesis was effected by adding the ligand to a solution of CuCN in aqueous sodium thiosulfate. This...

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