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360074

Sigma-Aldrich

Magnesium bromide

98%

Sinônimo(s):

Ddibromomagnesium, Magnesium bromide salt, Magnesium dibromide

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About This Item

Fórmula linear:
MgBr2
Número CAS:
Peso molecular:
184.11
Número CE:
Número MDL:
Código UNSPSC:
12352302
ID de substância PubChem:
NACRES:
NA.22
Preço e disponibilidade não estão disponíveis no momento.

grau

for analytical purposes

Nível de qualidade

Ensaio

98%

Formulário

powder

pf

711 °C (lit.)

densidade

3.72 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

Br[Mg]Br

InChI

1S/2BrH.Mg/h2*1H;/q;;+2/p-2

chave InChI

OTCKOJUMXQWKQG-UHFFFAOYSA-L

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Aplicação

Magnesium bromide (MgBr2) can be used as a catalyst in:
  • Acetylation and benzoylation of alcohols (primary and secondary) with acid anhydrides.[1]
  • In the synthesis of dihydropyrimidinones [2], trifluoromethylnaphthalenes [3], substituted 1,2,3,4 tetrahydropyrimidin-2-ones [4].
  • In the preparation of Aldol derivatives by hydrogenation of Baylis-Hillman olefins.[5]
  • Deprotection of SEM (2-(Trimethylsilyl)ethoxymethyl) ether group.[6]

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves


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Certificados de análise (COA)

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Visite a Biblioteca de Documentos

Synthesis of trifluoromethylnaphthalenes
Mellor JM, et al.
Tetrahedron, 56(51), 10067-10074 (2000)
Magnesium bromide mediated highly diastereoselective heterogeneous hydrogenation of olefins
Bouzide, Abderrahim
Organic Letters, 4(8), 1347-1350 (2002)
A facile and efficient one-pot synthesis of dihydropyrimidinones catalyzed by magnesium bromide under solvent-free conditions
Salehi H and Guo Q-X
Synthetic Communications, 34(1), 171-179 (2004)
Efficient Magnesium Bromide-Catalyzed One-pot Synthesis of Substituted 1, 2, 3, 4-Tetrahydropyrimidin-2-ones Under Solvent-free Conditions
Salehi H and Guo Q-X
Chin. J. Chem., 23(1), 91-97 (2005)
Novel deprotection of SEM ethers: a very mild and selective method using magnesium bromide
Vakalopoulos A and Hoffmann HMR
Organic Letters, 2(10), 1447-1450 (2000)

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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