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Sigma-Aldrich

Methylmagnesium bromide solution

3.0 M in diethyl ether

Synonym(s):

Bromomethylmagnesium

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About This Item

Linear Formula:
CH3MgBr
CAS Number:
75-16-1
Molecular Weight:
119.24
Beilstein:
3535220
MDL number:
MFCD00000041
UNSPSC Code:
12352111
PubChem Substance ID:
24851403
NACRES:
NA.22
concentration:
3.0 M in diethyl ether
Pricing and availability is not currently available.

Quality Level

200

reaction suitability

reaction type: Grignard Reaction

concentration

3.0 M in diethyl ether

density

1.035 g/mL at 25 °C

SMILES string

C[Mg]Br

InChI

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

InChI key

AVFUHBJCUUTGCD-UHFFFAOYSA-M

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General description

Methylmagnesium bromide solution, also known as bromomethylmagnesium, is both a Lewis acid and nucleophile. It is commonly used as a grignard reagent in organic synthesis reactions. [1]

Application

Methylmagnesium bromide solution (3M in diethyl ether) is used to synthesize:
  • 3S-(Boc-amino)-2,4-dimethyl-2-pentanol and methyl tert-butyl (S)-sulfoxide. [2] [3]
  • Methyl potassium polyimide (K-PIM-1) (MeMgBr).[4]
  • 3(4R)-{3(2R,3S)-[4′-(1′-triphenylmethyl)imidazole]-2-bromo-1-oxobutyl)-4-phenyl2-oxazolidinone[5]
  • Benzyl 2-(2-oxopropyl)piperidine-1-carboxylate[6]
  • (R*, R*) 1-[1-(1-phenylethyl)pyrrolidin-2-yl]propan-2-one)[6]

Packaging

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

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

Signal Word

Danger

Hazard Statements

H224,H260,H302,H314,H336

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1

Target Organs

Central nervous system

Supplementary Hazards

EUH019

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

-40.0 °F - closed cup

Flash Point(C)

-40 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR8069
SHBQ4560
SHBP5436
SHBN4763
SHBM8188

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Non-solvent post-modifications with volatile reagents for remarkably porous ketone functionalized polymers of intrinsic microporosity
Sirinapa W,et al.
Nature Communications, 14, 2096-2096 (2023)
Asymmetric synthesis of (2R, 3S) and (2S, 3R) precursors of ?-methyl-histidine,-phenylalanine and-tyrosine.
Li G
Tetrahedron Asymmetry, 4(11), 2315-2318 (1993)
Diastereoselective preparation of cyclic ?-aminoketals. Application to the total synthesis of piperidine alkaloids
Al-Sarabi AE
ARKIVOC (Gainesville, FL, United States), 1, 119-133 (2007)
Organometallic Complexes of Bulky, Optically Active, C 3-Symmetric Tris (4 S-isopropyl-5, 5-dimethyl-2-oxazolinyl) phenylborate (ToP*)
Songchen X,et al.
Organometallics, 34, 3508-3519 (2015)
DMAP-Catalysed Sulfinylation of Diacetone-D-Glucose: Improved Method for the Synthesis of Enantiopure tert-Butyl Sulfoxides and tert-Butanesulfinamides
Ahmed C,et al.
European Journal of Organic Chemistry, 2014, 6935-6944 (2014)
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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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