Description

Magnesium, bromo(1-methylethyl)- (CAS No. 920-39-8) is a highly reactive organomagnesium compound with the molecular formula C₃H₇BrMg. This Grignard reagent is widely utilized in synthetic organic chemistry for nucleophilic addition reactions, enabling the formation of carbon-carbon bonds. It is typically supplied as a solution in diethyl ether or tetrahydrofuran (THF) at various concentrations, ensuring optimal reactivity and handling. The compound is moisture- and air-sensitive, requiring storage under inert conditions (e.g., argon or nitrogen atmosphere) to maintain stability. Ideal for researchers and industrial chemists, this reagent is essential for advanced organic synthesis, pharmaceutical intermediates, and fine chemical production. Purity and consistency are rigorously controlled to meet the demands of high-precision applications.

Properties

• CAS Number: 920-39-8
• Complexity: 6.9
• IUPAC Name: magnesium;propane;bromide
• InChI: InChI=1S/C3H7.BrH.Mg/c1-3-2;;/h3H,1-2H3;1H;/q-1;;+2/p-1
• InChI Key: LVKCSZQWLOVUGB-UHFFFAOYSA-M
• Exact Mass: 145.95815
• Molecular Formula: C3H7BrMg
• Molecular Weight: 147.30
• SMILES: C[CH-]C.[Mg+2].[Br-]
• Monoisotopic Mass: 145.95815
• Synonyms: 920-39-8, Magnesium, bromo(1-methylethyl)-, Bromo(1-methylethyl)magnesium, EINECS 213-056-8, DTXSID1074333, DTXCID3048784, 213-056-8, Isopropylmagnesium Bromide, isopropyl magnesium bromide, MFCD00672110, isopropylmagnesiumbromide, iso-propylmagnesium bromide, iPrMgBr, i-PrMgBr, i-propylmagnesiumbromide, i-propylmagnesium bromide, Bromo-isopropyl-magnesium, Isopropylmagnesium bromide, 1.0 M in THF, Isopropylmagnesium bromide, 3 M in 2-MeTHF, isopropyl-magnesium bromide, iso-propyl magnesium bromide, iso-propyl-magnesium bromide, SCHEMBL5233, UCJIVFREPMUZDC-UHFFFAOYSA-M, AKOS015902497, DB-370619, NS00079590, E80426, i-Propylmagnesium bromide, 2.9M (35wt% ?1wt%) in 2-methyltetrahydrofuran

Application

Magnesium, bromo(1-methylethyl)- is primarily employed as a Grignard reagent in organic synthesis for the formation of carbon-carbon bonds. It is used in the preparation of tertiary alcohols, ketones, and carboxylic acids through reactions with carbonyl compounds. This reagent also finds applications in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. Its high reactivity makes it suitable for asymmetric synthesis and complex molecule construction. Proper handling under anhydrous conditions is critical to ensure optimal performance.

Safety and Hazards

GHS Hazard Statements

• H225 (40.6%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H260 (98.6%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]
• H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

Precautionary Statements

• P210, P223, P231+P232, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P335+P334, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P402+P404, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (40.6%)
• Water-react. 1 (98.6%)
• Skin Corr. 1B (100%)

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