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Merck
CN

61139

Copper

≥99.0%, turnings, purum p.a.

Synonym(s):

Cu

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About This Item

Empirical Formula (Hill Notation):
Cu
CAS Number:
7440-50-8
Molecular Weight:
63.55
NACRES:
NA.22
PubChem Substance ID:
57651817
UNSPSC Code:
12141711
EC Number:
231-159-6
MDL number:
MFCD00010965

Key Documents

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Product Name

Copper, turnings, purum p.a., ≥99.0%

InChI key

RYGMFSIKBFXOCR-UHFFFAOYSA-N

InChI

1S/Cu

SMILES string

[Cu]

grade

purum p.a.

assay

≥99.0%

quality

turnings

reaction suitability

core: copper
reagent type: catalyst

resistivity

1.673 μΩ-cm, 20°C

turnings L

~0.5 cm

bp

2567 °C (lit.)

mp

1083.4 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

cation traces

Al: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Fe: ≤200 mg/kg
Mg: ≤50 mg/kg
Mn: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤100 mg/kg
Zn: ≤200 mg/kg

Quality Level

100

Related Categories

Application

Copper turnings are used to synthesize inorganic salts and organometallic complexes and catalysts that can be employed in a variety of synthetic transformations. It is useful in:
  • Synthesis of polynitro[60]fullerene.
  • Copper-catalyzed azide-alkyne Huisgen cycloaddition (click reaction) to synthesize 5-membered heterocycles.
  • Trifluoromethylation of heteroaromatic compounds.
  • Preparation of electrolyte for all-copper hybrid flow batteries.

General description

Copper turnings are a form of copper metal that has been specifically cut to have a high surface area. This form of copper is particularly useful because it provides a greater contact area for reagents to interact with which can help speed up reactions and increase yields.

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK6992
BCCF8933
BCCD4924
BCCB9849
BCBV4673

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Structural and thermal properties of the alkaline cuprate KCuO2
Giorgio A. Costa, Elena Kaiser
Thermochimica Acta, 591-598 (1995)
Evaluation of electrode materials for all-copper hybrid flow batteries.
Leung P, et al.
Journal of Power Sources, 310, 1-11 (2016)
Encyclopedia of Inorganic and Bioinorganic Chemistry (2011)
Three-component coupling of alkynes, Baylis?Hillman adducts and sodium azide: A new synthesis of substituted triazoles.
Chandrasekhar S, et al.
Tetrahedron Letters, 47(18), 3059-3063 (2006)
Generation of new fluorophore by Click chemistry: synthesis and properties of β-cyclodextrin substituted by 2-pyridyl triazole.
David O, et al.
Tetrahedron Letters, 48(37), 6527-6530 (2007)
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