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360074

Sigma-Aldrich

Magnesium bromide

98%

Synonym(s):

Ddibromomagnesium, Magnesium bromide salt, Magnesium dibromide

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About This Item

Linear Formula:
MgBr2
CAS Number:
Molecular Weight:
184.11
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

form

powder

mp

711 °C (lit.)

density

3.72 g/mL at 25 °C (lit.)

SMILES string

Br[Mg]Br

InChI

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

InChI key

OTCKOJUMXQWKQG-UHFFFAOYSA-L

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Application

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Magnesium bromide mediated highly diastereoselective heterogeneous hydrogenation of olefins
Bouzide, Abderrahim
Organic Letters, 4(8), 1347-1350 (2002)
Synthesis of trifluoromethylnaphthalenes
Mellor JM, et al.
Tetrahedron, 56(51), 10067-10074 (2000)
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)

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