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Merck
CN

455911

Copper(I) cyanide

99.98%

Synonym(s):

Cuprous cyanide

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About This Item

Linear Formula:
CuCN
CAS Number:
544-92-3
Molecular Weight:
89.56
UNSPSC Code:
12352300
EC Number:
208-883-6
PubChem Substance ID:
24869094
Beilstein/REAXYS Number:
3587244
MDL number:
MFCD00010975

Key Documents

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InChI key

DULSAGLWMRMKCQ-UHFFFAOYSA-N

InChI

1S/CN.Cu/c1-2;

SMILES string

[Cu]C#N

assay

99.98%

mp

474 °C (lit.)

density

2.92 g/mL at 25 °C (lit.)

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Application

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

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2 Oral

target_organs

Liver,spleen,Bone marrow

supp_hazards

EUH032

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
07125MD
06815PQ
02313KO
00819KC
13011LI

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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
Heng Wang et al.
Chirality, 27(8), 523-531 (2015-04-25)
A novel pyridineoxazoline (PyOx) containing helical polymer, poly{(-)-(S)-4-tert-butyl-2-[5-(4-tert-butylphenyl)-3-vinylpyridin-2-yl]-oxazoline} (PA), was designed and synthesized to approach the effect of chain conformation on the catalytic property. Its complex with Cu(OTf)(2) , i.e., Cu(II)-PA, was employed to catalyze the homogeneous Diels-Alder (D-A) reaction

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