1-Ethyl-3-methylimidazolium bromide

Base Information

• Chemical Name: 1-Ethyl-3-methylimidazolium bromide
• CAS No.: 65039-08-9
• Molecular Formula: C6H11N2^.Br
• Molecular Weight: 191.071
• Hs Code.: 29332900
• European Community (EC) Number: 629-636-2
• UNII: XO254YE73I
• DSSTox Substance ID: DTXSID2049343
• Wikidata: Q27293925
• Mol file: 65039-08-9.mol

Synonyms:1-ethyl-3-methylimidazolium bromide

Chemical Property of 1-Ethyl-3-methylimidazolium bromide

Chemical Property:

• Appearance/Colour: pale yellow to yellow crystals, crystalline powder
• Melting Point: 70-73°C
• PSA: 8.81000
• LogP: -2.66350
• Storage Temp.: Store below +30°C.
• Water Solubility.: Soluble in water, dichloromethane, ethanol, acetonitrile. Insoluble in ethyl acetate, ether, and alkane.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 190.01056
• Heavy Atom Count: 9
• Complexity: 72.9

Purity/Quality:

99% ^*data from raw suppliers

1-Ethyl-3-methylimidazolium bromide ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xi,Xn
• Statements: 36/37/38-22
• Safety Statements: 26-37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCN1C=C[N+](=C1)C.[Br-]
• Uses: An ionic liquid, 1-ethyl-3-methylimidazolium bromide is used as reaction medium for the synthesis and crystallization of a coordination polymer, (EMI)[Cd(BTC)]. 1-ethyl-3-methylimidazolium bromide was used as a solvent in [emim] 2 [Cd 2 (btec)Br 2 ]. Form the diene complexation; carbonyl insertion; cycloaddition; reduction and deoxygenation.

Technology Process of 1-Ethyl-3-methylimidazolium bromide

There total 6 articles about 1-Ethyl-3-methylimidazolium bromide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

1-ethyl-3-methylimidazolium acetate (143314-17-4) + ethylene dibromide (106-93-4) → ethylene glycol diacetate (111-55-7,27252-83-1) + 3-ethyl-1-methyl-1H-imidazol-3-ium bromide (65039-08-9)

Guidance literature:

at 20 ℃; for 3h; Inert atmosphere;

Reference yield: 86.0%

1-ethyl-3-methylimidazolium acetate (143314-17-4) + 1,1-dibromomethane (74-95-3) → diacetoxymethane (628-51-3,25231-38-3) + 3-ethyl-1-methyl-1H-imidazol-3-ium bromide (65039-08-9)

Guidance literature:

at 20 ℃; for 2h; Inert atmosphere;

Reference yield: 83.0%

s-butyl bromide (78-76-2,5787-31-5) + 1-ethyl-3-methylimidazolium acetate (143314-17-4) → sec-Butyl acetate (105-46-4) + 3-ethyl-1-methyl-1H-imidazol-3-ium bromide (65039-08-9)

Guidance literature:

at 20 ℃; for 16h; Inert atmosphere;

upstream raw materials:

N-Ethylimidazole

methyl bromide

1-methyl-1H-imidazole

Diethyl carbonate

Downstream raw materials:

1-ethyl-3-methylimidazolium tetrafluoroborate

1-ethyl-3-methylimidazolium hydroxide

1-methyl-1H-imidazole

N-Ethylimidazole

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