Magnesium bromide (MgBr₂) is an inorganic compound composed of magnesium and bromine. It is commonly used in a variety of industrial, chemical, and pharmaceutical applications. Magnesium bromide is a salt that typically exists as a white, hygroscopic solid that is soluble in water and other solvents.
Chemical formula：MgBr2 (anhydrous)/MgBr2·6H2O (hexahydrate)
Molar mass：184.113 g/mol (anhydrous)/292.204 g/mol (hexahydrate)
Appearance：white hygroscopic hexagonal crystals (anhydrous) colorless monoclinic crystals (hexahydrate)
Density：3.72 g/cm3 (anhydrous)/2.07 g/cm3 (hexahydrate)
Melting point：711 °C (1,312 °F; 984 K) 172.4 °C, decomposes (hexahydrate)
Boiling point：1,250 °C (2,280 °F; 1,520 K)
Solubility in water：102 g/100 mL (anhydrous)/316 g/100 mL (0 °C, hexahydrate)
Solubility：ethanol: 6.9 g/100 mL
methanol: 21.8 g/100 mL
Magnetic susceptibility (χ)：−72.0·10−6 cm3/mol
Chemical Synthesis: Magnesium bromide is used in the preparation of various other chemicals, including organic and inorganic compounds, through reactions like halogen exchange or as a catalyst in some chemical processes.
Pharmaceutical Industry: MgBr₂ is used in pharmaceutical formulations, where it can be a source of magnesium in medications or used for its sedative and muscle-relaxant properties. It is sometimes found in medications for anxiety, muscle spasms, or as a laxative in some formulations.
Magnesium Source: Magnesium bromide is used as a source of magnesium in the production of magnesium metal and other magnesium-based compounds. It can be employed in the preparation of magnesium alloys and as a reagent in the manufacturing of other magnesium salts.
Oil and Gas Industry: MgBr₂ is used in the oil industry as part of drilling fluids, where it helps in controlling the viscosity and density of the fluids.
Fireproofing: MgBr₂ can be used in fireproofing applications due to its high melting point and stable nature. It is also sometimes used in the preparation of fire-retardant materials.
Toxicity: Magnesium bromide is generally considered to be of low toxicity, though it should still be handled with care, especially in industrial settings where large quantities are involved. Ingestion or excessive exposure can cause irritation to the digestive system or skin.
Storage: Because of its hygroscopic nature, magnesium bromide should be stored in tightly sealed containers to avoid moisture absorption, which could cause it to degrade or form hydrated forms of the salt.
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Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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