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
361798
Di-isopropilamida de lítio
2.0 M in THF/heptane/ethylbenzene
Sinônimo(s):
LDA
About This Item
Produtos recomendados
Formulário
liquid
Nível de qualidade
concentração
2.0 M in THF/heptane/ethylbenzene
Impurezas
3 wt. % diisopropylamine
densidade
0.812 g/mL at 25 °C
grupo funcional
amine
temperatura de armazenamento
2-8°C
cadeia de caracteres 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
chave InChI
ZCSHNCUQKCANBX-UHFFFAOYSA-N
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Categorias relacionadas
Descrição geral
Aplicação
- Como um iniciador na polimerização aniônica de D,L-lactídeo e metacrilato de metila.[1]
- Para facilitar a enolização de ésteres.[2]
- Para converter ácidos carboxílicos em intermediários enediolato para preparar trifluorometilcetonas.[3]
- Na ortolitiação de arilsulfoniloxazolidinonas para preparar análogos de sacarina N-substituídos.[4]
- Para catalisar a ortolitiação e o rearranjo de Fries de carbamatos de arila.[5]
- Como um promotor na isomerização de éteres alílicos em éteres (Z)-propenílicos.[6]
Embalagem
Informações legais
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3
Órgãos-alvo
Central nervous system, hearing organs, Respiratory system
Perigos de suplementos
Código de classe de armazenamento
3 - Flammable liquids
Classe de risco de água (WGK)
WGK 2
Ponto de fulgor (°F)
35.6 °F - closed cup
Ponto de fulgor (°C)
2 °C - closed cup
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Helpful?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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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Hi, can I know if it's ok to store LDA in THF/heptane/ethylbenzene or in THF/hexane, and nBuLi in Hexanes at -20 degrees celsius? Thanks!
1 answer-
The recommended storage temperature for this product is 2 - 8 °C.
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