• (MgBr₂) [2923-28-6] Br₂Mg (MW 184.11)

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

  InChIKey = OTCKOJUMXQWKQG-UHFFFAOYSA-L

• (MgBr₂·6H₂O) [13446-53-2] H₁₂Br₂MgO₆ (MW 292.23)

  InChI = 1S/2BrH.Mg.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

  InChIKey = LGLXXNHIGIJYQQ-UHFFFAOYSA-L

• (MgBr₂·OEt₂) [29858-07-9] C₄H₁₀Br₂MgO (MW 258.25)

  InChI = 1S/C4H10O.2BrH.Mg/c1-3-5-4-2;;;/h3-4H2,1-2H3;2*1H;/q;;;+2/p-2

  InChIKey = JGZKUKYUQJUUNE-UHFFFAOYSA-L

(Lewis acid capable of catalyzing selective nucleophilic additions,¹ cycloadditions,² rearrangements,³ coupling reactions;⁴ effective brominating agent⁵)

Physical Data: mp 165 °C (dec) (etherate >300 °C; fp 35 °C).

Solubility: sol alcohol, H₂O; etherate sol common organic solvents.

Form Supplied in: white solid, widely available; etherate gray solid.

Preparative Method: the etherate is easily prepared from reacting a slight excess of Magnesium turnings with 1,2‐Dibromoethane in anhydrous diethyl ether.¹³

Handling, Storage, and Precautions: etherate is flammable and moisture sensitive; freshly prepared material is most reactive and anhydrous. Irritant.