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
217646
Manganese(IV) oxide
activated, ~85%, <10 μm
Synonyme(s) :
Manganese dioxide
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36,50 €
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About This Item
36,50 €
Produits recommandés
Qualité
for analytical purposes
Niveau de qualité
Essai
~85%
Forme
powder
Taille des particules
<10 μm
Pf
535 °C (dec.) (lit.)
Chaîne SMILES
O=[Mn]=O
InChI
1S/Mn.2O
Clé InChI
NUJOXMJBOLGQSY-UHFFFAOYSA-N
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Catégories apparentées
Description générale
Application
- In conversion of allylic alcohols to α, β-ethylenic esters or amides.
- In oxidation of allylic alcohols to α,β-ethylenic aldehydes or ketones.
- In oxidation of propargylic alcohols, saturated alcohols and benzylic or heterocyclic alcohols.
- Manganese (IV) oxide can also be used:,In hydration of nitriles to amides.
Mention d'avertissement
Warning
Mentions de danger
Conseils de prudence
Classification des risques
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - STOT RE 2 Inhalation
Organes cibles
Brain
Code de la classe de stockage
13 - Non Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
does not flash
Point d'éclair (°C)
does not flash
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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