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Merck

342793

Sigma-Aldrich

Magnesium oxide

≥99% trace metals basis, -325 mesh

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250 G
112,00 €
1 KG
329,00 €

112,00 €


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250 G
112,00 €
1 KG
329,00 €

About This Item

Fórmula lineal:
MgO
Número de CAS:
Peso molecular:
40.30
Número CE:
Número MDL:
Código UNSPSC:
12352303
ID de la sustancia en PubChem:
NACRES:
NA.21

112,00 €


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grado

for analytical purposes

Ensayo

≥99% trace metals basis

Formulario

powder

idoneidad de la reacción

reagent type: catalyst
core: magnesium

pérdida

10% loss on ignition, 1000°C (absorbed H2O and CO2)

tamaño de partícula

-325 mesh

mp

2852 °C (lit.)

cadena SMILES

O=[Mg]

InChI

1S/Mg.O

Clave InChI

CPLXHLVBOLITMK-UHFFFAOYSA-N

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Descripción general

Magnesium oxide is a mild basic reagent used in acylations, alkylations, oxidations, reductions, formation of heterocycles, ring-opening of tertiary amines, nitration of aromatic acetals, hydrohalogenation, dehydrohalogenation, carbonylation of organomercurials, and serves as a leaving group to form alkenes.

Aplicación

Magnesium oxide can be used as a catalyst in the:
  • Dehydrogenation of n-octane to synthesize octenes.
  • Solvent-free Knoevenagel condensation of aromatic aldehydes and ethyl cyanoacetate to synthesize electrophilic olefins.

Nota de análisis

Purity based on metallic impurity content.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Preguntas

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

    1 respuesta
    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 respuesta
    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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