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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.pdf
206032
Oxyde de platine(IV)
Synonyme(s) :
Catalyseur d’Adams, Dioxyde de platine, NSC 402624, Oxyde platinique, Oxyde platineux
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About This Item
Produits recommandés
Forme
solid
Niveau de qualité
Composition
Pt, 81-83%
Pertinence de la réaction
core: platinum
reagent type: catalyst
Caractéristiques du produit alternatif plus écologique
Designing Safer Chemicals
Catalysis
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
Superficie
≥60 m2/g
Pf
450 °C (lit.)
Autre catégorie plus écologique
, Aligned
Chaîne SMILES
O=[Pt]=O
InChI
1S/2O.Pt
Clé InChI
YKIOKAURTKXMSB-UHFFFAOYSA-N
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Description générale
Application
Pour les applications à petite échelle et à haut débit, ce produit est également disponible sous forme de billes ChemBeads (928291).
- Réactions d′hydrohydrazination
- Oxydation des sucres
- Oxydation à basse température du monoxyde de carbone
- Réaction de réduction de l′oxygène
- Réactions d′hydrogénation
- Hydrogénolyse du groupe cyclopropyle en groupe isopropyle
- Réactions d′hydroxycyclopropanation
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
Classification des risques
Ox. Sol. 1
Code de la classe de stockage
5.1A - Strongly oxidizing hazardous materials
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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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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What is the Department of Transportation shipping information for this product?
1 réponse-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Is Product 206032, Platinum (IV) oxide, water soluble?
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It is insoluble in water.
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Are there any safety concerns with Product 206032, Platinum (IV) oxide?
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After exposure to hydrogen, the resulting platinum black can be pyrophoric. Therefore, it should not be allowed to dry and all exposure to oxygen should be minimized.
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How can Product 206032, Platinum (IV) oxide, be used as a catalyst?
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Platinum(IV) oxide can be used as a catalyst in hydrogenations. The actual catalyst is platinum black which is formed in situ by reduction of the PtO2 by the hydrogen used for the hydrogenation. It is especially useful for reduction at room temperature and hydrogen pressures up to 4 atmospheres. It is suitable for the reduction of double and triple bonds, aromatic nuclei, carbonyl groups, nitro groups, and nitriles.
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In which solvents is Product 206032, Platinum (IV) oxide, soluble?
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Per the the chemicals encyclopedia published by the Royal Society of Chemistry, 13th Edition, when freshly precipitated, Platinum(IV) Oxide is soluble in concentrated acids and dilute phosphoric acid, especially when warmed. It is easily soluble in dilute solutions of potassium hydroxide.
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Can the Platinum be recovered from Product 206032, Platinum (IV) oxide?
1 réponse-
Internet sources do indicate that Platinum can be recovered from spent catalyst by conversion to ammonium chloroplatinate using aqua regia followed by ammonia. However, we do have a process for doing so.
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