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544868

Sigma-Aldrich

Copper(II) oxide

nanopowder, <50 nm particle size (TEM)

Sinonimo/i:

Copper monoxide, CuO nanoparticles, Cupric oxide

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5 G
CHF 47.70
25 G
CHF 159.00

CHF 47.70

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5 G
CHF 47.70
25 G
CHF 159.00

About This Item

Formula empirica (notazione di Hill):
CuO
Numero CAS:
1317-38-0
Peso molecolare:
79.55
Numero CE:
215-269-1
Numero MDL:
MFCD00010979
Codice UNSPSC:
12352302
ID PubChem:
24878789
NACRES:
NA.23

CHF 47.70

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Stato

nanopowder

Area superficiale

29 m2/g

Dimensione particelle

<50 nm (TEM)

applicazioni

battery manufacturing

Stringa SMILE

[Cu]=O

InChI

1S/Cu.O
QPLDLSVMHZLSFG-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Copper oxides (Cu2O, CuO) are p-type semiconductor materials with small band gap energy. High physical and chemical stability of metal oxide nanoparticles renders them extremely useful in catalytic applications.The structures of the compounds are monoclinic. Nanoscaled copper oxide compounds can be prepared by thermal plasma technology. A study reports its antimicrobial properties.[1]

Applicazioni

Toxicity of copper oxide nanoparticles was reported.[2][3][4] Cu2O has been used in coating Cu nanoparticles (Cu2O NPs).[5] Copper oxide nanoparticles has been reported to be used as an anode material for lithium ion cells and as gas sensors on account of it high surface reactivity. Hollow Cu2O NPs has been used in the preparation of nucleosides and as a catalyst in azide-alkyne cycloadditions by other groups.[6] CuO NPs may be used as a catalyst for CSe, CTe, and CS bond formation and synthesis of 2-aminobenzothiazole.[7] Molecular responses of mouse macrophages to CuO and Cu2O NPs were studied.[8]

Pittogrammi

Environment
GHS09

Avvertenze

Warning

Indicazioni di pericolo

H410

Consigli di prudenza

P273 - P391 - P501

Classi di pericolo

Aquatic Acute 1 - Aquatic Chronic 1

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
0000403087
0000386483
0000386482
0000332081
0000332080

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Hui He et al.
International journal of nanomedicine, 15, 3291-3302 (2020-06-05)
Inhaled nanoparticles can cross pulmonary air-blood barrier into circulation and cause vascular endothelial injury and progression of cardiovascular disease. However, the molecular mechanism underlying the vascular toxicity of copper oxide nanoparticles (CuONPs) remains unclear. We have recently demonstrated that the
Toxicity of nanoparticles of ZnO, CuO and TiO 2 to yeast Saccharomyces cerevisiae
Kasemets K, et al.
Toxicology in vitro, 116-1122 (2009)
Characterisation of copper oxide nanoparticles for antimicrobial applications.
Ren G, et al.
International Journal of Antimicrobial Agents, 33(6), 587-590 (2009)
Zhongzhou Yang et al.
International journal of environmental research and public health, 17(4) (2020-02-23)
Rice (Oryza sativa L.), a major staple food for billions of people, was assessed for its phytotoxicity of copper oxide nanoparticle (CuO NPs, size < 50 nm). Under hydroponic condition, seven days of exposure to 62.5, 125, and 250 mg/L
Ji Chan Park et al.
Chemical communications (Cambridge, England), 48(68), 8484-8486 (2012-05-05)
ZnO-CuO core-branch hybrid nanoparticles, synthesized by copper oxide growth and controlled oxidation on ZnO nanospheres, exhibited remarkable enhancement of catalytic activity and stability for ultrasound-assisted [3+2] azide-alkyne cycloaddition reactions, due to their high surface area and active facets of the
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Articoli

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Synthesis, Properties, and Applications of Perovskite-Phase Metal Oxide Nanostructures

Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. What is the purity of the nanopowder copper catalog N° 544868 ? Thanks in advance

    1 answer

    1. The purity of the copper(II) oxide product is essentially a function of how much copper is present. Product 544868 is listed as 77.0 - 82.6 % on the Certificate of Analysis. Please see the sample Certificate of Analysis: https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/544868-BULKMKCR3494.pdf).

      The minimum 77.0% copper would be 96.4% pure copper oxide and 82.6% would be 103.4% pure. The sample lot is listed as 78.1% copper, which can be extrapolated to be 97.8% pure copper(II) oxide.

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