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
13404
Natriumaluminat
technical
Synonym(e):
Aluminiumnatriumoxid, Natriumaluminiumoxid
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About This Item
Empfohlene Produkte
Qualität
technical
Qualitätsniveau
Form
powder
Eignung der Reaktion
core: aluminum
reagent type: catalyst
Verunreinigungen
≤0.05% Fe (as Fe2O3)
Kationenspuren
Al (Al2O3): 50-56%
Na (as Na2O): 37-45%
SMILES String
[Na+].O=[Al-]=O
InChI
1S/Al.Na.2O/q-1;+1;;
InChIKey
IYJYQHRNMMNLRH-UHFFFAOYSA-N
Verwandte Kategorien
Allgemeine Beschreibung
Anwendung
- Bei der Transveresterung von Glycerin mit Dimethylcarbonat zum Synthetisieren von Glycerincarbonat.
- Bei der Isomerisation von D-Glucose zu D-Fructose.
- Zum Synthetisieren von Biodiesel aus Jatropha-Öl durch Transveresterung.
- Zum Umwandeln von Alkoholen zu den entsprechenden unsymmetrischen Carbonatestern mittels Carboxymethylierung unter Verwendung von Dimethylcarbonat.
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Met. Corr. 1 - Skin Corr. 1A
Zusätzliche Gefahrenhinweise
Lagerklassenschlüssel
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Faceshields, 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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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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Are the reported concentrations for 13404 Sodium aluminate in mole percent or wt%?
1 answer-
The percentages reported on the Certificate of Analysis (CoA) for this product are in weight %.
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