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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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100 ML
¥13,500
4 X 25 ML
¥17,900
800 ML
¥64,300
1 L
¥72,200

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100 ML
¥13,500
4 X 25 ML
¥17,900
800 ML
¥64,300
1 L
¥72,200

About This Item

Linear Formula:
CH3Li · LiBr
Molecular Weight:
108.82
Beilstein:
3587162
MDL number:
MFCD00044645
UNSPSC Code:
12352103
PubChem Substance ID:
24851207
NACRES:
NA.22

¥13,500

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form

liquid

Quality Level

100

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

InChI

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

InChI key

XLIKYFMMLMHLKL-UHFFFAOYSA-M
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.
View returnable container options.

Legal Information

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

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H302,H336

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

EUH019,EUH066

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 3: Spontaneously combustible substances and water- reactive materials
Materials containing Alkyl lithium
Hazardous rank II
2nd spontaneously combustible materials and water reactive materials

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

186201-18L-C:
186201-BULK:
186201-18L-KL:
186201-PZ:
186201-90L:
186201-20L:
186201-100ML:4548173111582
186201-200L:4548173111605
186201-8L:4548173111629
186201-100L:
186201-4X25ML:4548173111636
186201-VAR:
186201-800ML:4548173111612
186201-1L:4548173953052
186201-18L:4548173111599

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Certificates of Analysis (COA)

Lot/Batch Number
0000437070
0000437070
0000248546
0000188489
0000186549

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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)

Questions

1–2 of 2 Questions  

  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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