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360074

Sigma-Aldrich

Magnesium bromide

98%

Sinonimo/i:

Ddibromomagnesium, Magnesium bromide salt, Magnesium dibromide

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About This Item

Formula condensata:
MgBr2
Numero CAS:
Peso molecolare:
184.11
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
ID PubChem:
NACRES:
NA.22
Prezzi e disponibilità al momento non sono disponibili

Livello qualitativo

Saggio

98%

Stato

powder

Punto di fusione

711 °C (lit.)

Densità

3.72 g/mL at 25 °C (lit.)

Stringa SMILE

Br[Mg]Br

InChI

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

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Applicazioni

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]

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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Certificati d'analisi (COA)

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I clienti hanno visto anche

Synthesis of trifluoromethylnaphthalenes
Mellor JM, et al.
Tetrahedron, 56(51), 10067-10074 (2000)
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)
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)
Magnesium bromide mediated highly diastereoselective heterogeneous hydrogenation of olefins
Bouzide, Abderrahim
Organic Letters, 4(8), 1347-1350 (2002)
Magnesium bromide catalysed acylation of alcohols
Pansare SV, et al.
Synthetic Communications, 30(14), 2587-2592 (2000)

Questions

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  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/449/386/product-dating-information-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

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