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774766

Sigma-Aldrich

Lithium diisopropylamide solution

1.0 M in THF/hexanes

Lithium diisopropylamide solution

Synonym(s):

LDA

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4 X 25 ML
$60.19
100 ML
$65.17
500 ML
$217.55

About This Item

Linear Formula:
[(CH3)2CH]2NLi
CAS Number:
Molecular Weight:
107.12
Beilstein/REAXYS Number:
3655042
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:
NACRES:
NA.22

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$60.19

List Price$64.10Save 6%
Web-Only Promotion

Estimated to ship onJuly 14, 2025Details


Request a Bulk Order
Technical Service
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form

liquid

concentration

1.0 M in THF/hexanes

density

0.719 g/mL at 25 °C

functional group

amine

storage temp.

2-8°C

SMILES string

[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

InChI key

ZCSHNCUQKCANBX-UHFFFAOYSA-N

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1 of 4

This Item
361798246611746754
density

0.719 g/mL at 25 °C

density

0.812 g/mL at 25 °C

density

0.864 g/mL at 25 °C (lit.)

density

1.18 g/mL at 25 °C (lit.)

concentration

1.0 M in THF/hexanes

concentration

2.0 M in THF/heptane/ethylbenzene

concentration

-

concentration

(1.0 M LiPF6 in DMC)

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

storage temp.

-

form

liquid

form

liquid

form

solid

form

solution

functional group

amine

functional group

amine

functional group

amine

functional group

-

General description

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

Application

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]

Packaging

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

Legal Information

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

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system, Nervous system, Respiratory system

supp_hazards

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

WGK 3

flash_point_f

-7.6 °F - closed cup

flash_point_c

-22 °C - closed cup


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Questions

1–2 of 2 Questions  
  1. 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

      Helpful?

  2. 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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