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774766

Sigma-Aldrich

Litio diisopropilamide

Lithium diisopropylamide solution

1.0 M in THF/hexanes

Sinonimo/i:

LDA

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4 X 25 ML
CHF 56.40
100 ML
CHF 60.40
500 ML
CHF 215.00

CHF 56.40

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Cambia visualizzazione
4 X 25 ML
CHF 56.40
100 ML
CHF 60.40
500 ML
CHF 215.00

About This Item

Formula condensata:
[(CH3)2CH]2NLi
Numero CAS:
4111-54-0
Peso molecolare:
107.12
Beilstein:
3655042
Numero MDL:
MFCD00064449
Codice UNSPSC:
12352001
ID PubChem:
329767712
NACRES:
NA.22

CHF 56.40

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Stato

liquid

Livello qualitativo

200

Concentrazione

1.0 M in THF/hexanes

Densità

0.719 g/mL at 25 °C

Gruppo funzionale

amine

Temperatura di conservazione

2-8°C

Stringa SMILE

[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
ZCSHNCUQKCANBX-UHFFFAOYSA-N

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Descrizione generale

This material is in a solution of THF/Hexanes (ca. 1:7 ratio, respectively)

Applicazioni

Titanium-ate enolates prepared from ketones by Ti(OiPr)4 and LDA underwent efficient radical trifluoromethylation providing trifluoromethyl ketones in good yield.[1] Used in directed ortho-lithiation of arylsulfonyloxazolidinones to prepare N-substituted saccharin analogs.[2]

Confezionamento

The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Note legali

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Avvertenze

Danger

Classi di pericolo

Aquatic Chronic 2 - Asp. Tox. 1 - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Repr. 2 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3

Organi bersaglio

Central nervous system, Nervous system, Respiratory system

Rischi supp

EUH014,EUH019

Codice della classe di stoccaggio

4.2 - Pyrophoric and self-heating hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

-7.6 °F - closed cup

Punto d’infiammabilità (°C)

-22 °C - closed cup

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Certificati d'analisi (COA)

Lot/Batch Number
SHBS2486
SHBR7019
SHBR2555
SHBP9072
SHBP0444

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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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

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