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
212776
Lithiumaluminiumhydrid -Lösung
1.0 M in THF
Synonym(e):
LAH, Lithiumalanat, Lithiumtetrahydroaluminat
About This Item
Empfohlene Produkte
Form
liquid
Qualitätsniveau
Eignung der Reaktion
reagent type: reductant
Konzentration
1.0 M in THF
Dichte
0.905 g/mL at 25 °C
Lagertemp.
2-30°C
SMILES String
[Li+].[AlH4-]
InChI
1S/Al.Li.4H/q-1;+1;;;;
InChIKey
OCZDCIYGECBNKL-UHFFFAOYSA-N
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Verwandte Kategorien
Anwendung
- Herstellung von thermoplastischen Polyestern/Polyamiden aus Ölsäure
- Lithium-Polymer-Batterien
- Hydrodefluorierung von gem-Difluormethylen-Derivaten
- Asymmetrische Aldol-Reaktionen
- Synthese von Li-Al-N-H-Kompositen mit Wasserstoff absorbierenden bzw. desorbierenden Eigenschaften
LAH ist ein starkes Reduktionsmittel für zahlreiche unterschiedliche Reduktionsreaktionen, etwa die Reduktion von Ketonen zu Alkoholen
Verpackung
Rechtliche Hinweise
Signalwort
Danger
Gefahreneinstufungen
Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
Zielorgane
Central nervous system, Respiratory system
Zusätzliche Gefahrenhinweise
Lagerklassenschlüssel
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 1
Flammpunkt (°F)
1.4 °F - closed cup
Flammpunkt (°C)
-17 °C - closed cup
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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
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Product 212776, Lithium aluminum hydride solution, appears to container a precipitate in it. Is it still OK to use?
1 answer-
Most if not all solid lithium aluminum hydride will contain some form of insoluble oxides from slight air exposure. You should be able to filter the insolubles - keeping air exposure to a minimum is the key. This procedure should be done entirely under argon (argon is typically a drier gas than nitrogen). If the final solution is exposed to air at any time, insolubles will be formed which will then require further filtration to get clear again.
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What is the Department of Transportation shipping information for this product?
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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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Why is Product 212776, Lithium aluminum hydride solution, considered carcinogenic?
1 answer-
The carcinogen reference comes from Tetrahydrofuran (THF). The solution is 90% THF. The THF reference is form the National Toxicology Program (NTP) database.
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