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241741

Sigma-Aldrich

Copper(II) oxide

ACS reagent, ≥99.0%

Sinónimos:

Cupric oxide

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100 G
US$ 105,00

US$ 105,00

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100 G
US$ 105,00

About This Item

Fórmula empírica (notación de Hill):
CuO
Número de CAS:
1317-38-0
Peso molecular:
79.55
Número CE:
215-269-1
Número MDL:
MFCD00010979
Código UNSPSC:
12352303
ID de la sustancia en PubChem:
329752591
NACRES:
NA.21

US$ 105,00

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grado

ACS reagent

Ensayo

≥99.0%

Formulario

powder

idoneidad de la reacción

reagent type: catalyst
core: copper

impurezas

Free alkali, passes test
≤0.002% N compounds
≤0.01% C compounds
≤0.02% S compounds
≤0.02% insol. dil. HCl

trazas de anión

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.02%

trazas de catión

Ca: ≤0.01%
Fe: ≤0.05%
K: ≤0.02%
Na: ≤0.05%

cadena SMILES

[Cu]=O

InChI

1S/Cu.O

Clave InChI

QPLDLSVMHZLSFG-UHFFFAOYSA-N

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Descripción general

Copper (II) oxide is one of the two stable oxides of copper. Cupric oxide is a precursor to many copper-containing products and chemicals. It is used as a pigment, fungicide, and antirust protection agent for marine paints. CuO possesses notable and admirable characteristics like abundance and affordability, ease of manufacturing, scalability, non-toxicity, antioxidant properties, and semiconducting characteristics.

Aplicación

Copper (II) oxide is used:,As a catalyst in the synthesis of 2-Aryl- and 2-alkenyl-1,3,4-oxadiazoles from treating 1,3,4-oxadiazoles with aryl or alkenyl halides.

Pictogramas

Environment
GHS09

Palabra de señalización

Warning

Frases de peligro

H410

Consejos de prudencia

P273 - P391 - P501

Clasificaciones de peligro

Aquatic Acute 1 - Aquatic Chronic 1

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCV9265
MKCS7595
MKCQ9901
MKCQ0684
MKCB5158

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DSC kinetics of the thermal decomposition of copper (II) oxalate by isoconversional and maximum rate (peak) methods.
Muraleedharan K and Kripa S.
Journal of Thermal Analysis and Calorimetry, 115(2), 1969-1978 (2014)
Copper (II) oxide nanowires for p-type conductometric NH3 sensing.
Shao F, et al.
Applied Surface Science, 311, 177-181 (2014)
Eagleson M.
Concise Encyclopedia Chemistry, 523-523 (1994)
A refinement of the crystal structure of copper (II) oxide with a discussion of some exceptional esd's.
?sbrink S and Norrby LJ.
Acta Crystallographica Section B, Structural Science, 26(1), 8-15 (1970)
Sumanta Kumar Meher et al.
Nanoscale, 5(5), 2089-2099 (2013-02-06)
In the quest to enhance the selectivity and sensitivity of novel structured metal oxides for electrochemical non-enzymatic sensing of glucose, we report here a green synthesis of unique sandwich-structured CuO on a large scale under microwave mediated homogeneous precipitation conditions.
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Questions

1–2 of 2 Questions  

  1. 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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  2. 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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