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
246611
Lithium diisopropylamide
97%
Synonyme(s) :
LDA
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About This Item
Produits recommandés
Densité de vapeur
>1 (vs air)
Niveau de qualité
Essai
97%
Forme
solid
Densité
0.864 g/mL at 25 °C (lit.)
Groupe fonctionnel
amine
Chaîne SMILES
[Li]N(C(C)C)C(C)C
InChI
1S/C6H14N.Li/c1-5(2)7-6(3)4;/h5-6H,1-4H3;/q-1;+1
Clé InChI
ZCSHNCUQKCANBX-UHFFFAOYSA-N
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Catégories apparentées
Description générale
Application
It can also be used as a base in:
- The direct alkylation and acylation of ketones.[1]
- The aldol condensation reaction.[1]
- α-Selenation reaction.[2]
- The synthesis of α, β- unsaturated carbonyl compounds from carbonyl compounds.[1]
- The alkylation of acids, esters, amides, and nitriles.[1][3]
- The initiation of anionic polymerization.[4]
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
Eye Dam. 1 - Pyr. Sol. 1 - Skin Corr. 1B
Risques supp
Code de la classe de stockage
4.2 - Pyrophoric and self-heating hazardous materials
Classe de danger pour l'eau (WGK)
WGK 2
Équipement de protection individuelle
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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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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