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186201

Methyllithium-Lithiumbromid-Komplex -Lösung

1.5 M in diethyl ether

Synonym(e):

MeLi·LiBr, Methyllithium-Komplex mit Lithiumbromid, Methyllithium-Lithiumbromid-Komplex (1:1)

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Über diesen Artikel

Lineare Formel:
CH3Li · LiBr
Molekulargewicht:
108.82
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22
Beilstein/REAXYS Number:
3587162
MDL number:
Concentration:
1.5 M in diethyl ether
Form:
liquid
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form

liquid

Quality Segment

concentration

1.5 M in diethyl ether

density

0.852 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

[Li+].[Br-].[Li]C

InChI

1S/CH3.BrH.2Li/h1H3;1H;;/q;;;+1/p-1

InChI key

XLIKYFMMLMHLKL-UHFFFAOYSA-M

Application

Die Methyllithium-Lithiumbromidkomplex-Lösung (MeLi-LiBr) eignet sich als Methylierungsmittel für die α-Methylierung von Alkoxyaryl-Ketonen.

Packaging

Die 25-ml-Sure/Seal-Flasche wird für den Einmalgebrauch empfohlen. Wiederholte Einstiche führen höchstwahrscheinlich zu einer Leistungsminderung des Produkts.

Legal Information

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

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Dieser Artikel
186171197343255025
description

1.5 M in diethyl ether

description

1.6 M in hexanes

description

1.6 M in diethyl ether

description

2.0 M in diethyl ether

concentration

1.5 M in diethyl ether

concentration

1.6 M in hexanes

concentration

1.6 M in diethyl ether

concentration

2.0 M in diethyl ether

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

form

liquid

form

liquid

form

liquid

form

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

density

0.852 g/mL at 25 °C

density

0.68 g/mL at 25 °C

density

0.732 g/mL at 25 °C

density

0.965 g/mL at 25 °C


pictograms

FlameExclamation mark

signalword

Danger

supp_hazards

wgk

WGK 3

flash_point_f

-18.4 °F - closed cup

flash_point_c

-28 °C - closed cup

Hazard Classifications

Acute Tox. 4 Oral - Flam. Liq. 2 - Pyr. Liq. 1 - STOT SE 3

target_organs

Central nervous system

Lagerklasse

4.2 - Pyrophoric and self-heating hazardous materials



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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/418/501/product-dating-information-06-25-mk.pdf

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  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

      Helpful?

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