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Merck

61139

Copper

≥99.0%, turnings, purum p.a.

Synonym(s):

Cu

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250 G

R 789.88

1 KG

R 2,411.78

R 789.88

List PriceR 806.00

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About This Item

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

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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

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This Item
31140512816349216
assay

≥99.0%

assay

≥99.90%

assay

≥99.8% (complexometric)

assay

≥99.9%

reaction suitability

core: copper, reagent type: catalyst

reaction suitability

core: copper, reagent type: catalyst

reaction suitability

core: copper, reagent type: catalyst

reaction suitability

core: copper, reagent type: catalyst

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

Application

Copper turnings are used to synthesize inorganic salts and organometallic complexes[1] and catalysts that can be employed in a variety of synthetic transformations.[2] It is useful in:
  • Synthesis of polynitro[60]fullerene.[3]
  • Copper-catalyzed azide-alkyne Huisgen cycloaddition (click reaction) to synthesize 5-membered heterocycles.[4][5]
  • Trifluoromethylation of heteroaromatic compounds.[6]
  • Preparation of electrolyte for all-copper hybrid flow batteries.[7]

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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Synthesis and explosive decomposition of polynitro [60] fullerene.
Cataldo F, et al.
Carbon, 62, 413-421 (2013)
Structural and thermal properties of the alkaline cuprate KCuO2
Giorgio A. Costa, Elena Kaiser
Thermochimica Acta, 591-598 (1995)
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)
Encyclopedia of Inorganic and Bioinorganic Chemistry (2011)
Evaluation of electrode materials for all-copper hybrid flow batteries.
Leung P, et al.
Journal of Power Sources, 310, 1-11 (2016)

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