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Merck

186201

Sigma-Aldrich

Methyllithium lithium bromide complex solution

1.5 M in diethyl ether

Synonym(s):

MeLi·LiBr, Methyllithium complex with lithium bromide, Methyllithium lithium bromide complex (1:1)

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About This Item

Linear Formula:
CH3Li · LiBr
Molecular Weight:
108.82
Beilstein:
3587162
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

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form

liquid

Quality Level

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

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Application

Methyllithium lithium bromide complex solution (MeLi.LiBr) can be used as a methylating agent for the α-methylation of alkoxyaryl ketones.[1]

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

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 3

Flash Point(F)

-18.4 °F - closed cup

Flash Point(C)

-28 °C - closed cup


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Unusual alpha-methylation of alkoxyaryl ketones with higher order methyl cuprate and lithium bromide.
M E Jung et al.
The Journal of organic chemistry, 65(26), 9241-9244 (2001-01-10)

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