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
Wichtige Dokumente
243388
Magnesiumoxid
ACS reagent, 97%
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About This Item
Empfohlene Produkte
Qualität
ACS reagent
Assay
97%
Form
powder
Eignung der Reaktion
reagent type: catalyst
core: magnesium
Verunreinigungen
≤0.02% NH4OH pptd.
≤0.02% insol. dil. HCl
≤0.4% water soluble substances
Verlust
≤2.0% loss on ignition
mp (Schmelzpunkt)
2852 °C (lit.)
Anionenspuren
SO42- and SO32-: ≤0.02%
chloride (Cl-): ≤0.01%
nitrate (NO3-): ≤0.005%
Kationenspuren
Ba: ≤0.005%
Ca: ≤0.05%
Fe: ≤0.01%
K: ≤0.005%
Mn: ≤5 ppm
Na: ≤0.5%
Sr: ≤0.005%
heavy metals (as Pb): ≤0.003%
SMILES String
O=[Mg]
InChI
1S/Mg.O
InChIKey
CPLXHLVBOLITMK-UHFFFAOYSA-N
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Verwandte Kategorien
Allgemeine Beschreibung
Anwendung
It may be employed as a phase stabilizer during the fabrication of porous β-tricalcium phosphate (β-TCP).[5]
Lithium-doped magnesium oxide (Li/MgO) may be employed for the synthesis of ethylene and ethane.[2] It may also be used as a catalyst in the preparation of (R)-phenyl carbonate.[3]
Lagerklassenschlüssel
13 - Non Combustible Solids
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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