1,3-DIMETHYLIMIDAZOLIUM CHLORIDE
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1,3-DIMETHYLIMIDAZOLIUM CHLORIDE
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CAS No:
79917-88-7
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Formula:
C5H9ClN2
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Chemical Name:
1,3-DIMETHYLIMIDAZOLIUM CHLORIDE
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Synonyms:
1,3-DIMETHYLIMIDAZOLIUM CHLORIDE;1,3-DiMethyl-1H-iMidazol-3-iuM chloride;[C1MIm]Cl;1H-Imidazolium,1,3-dimethyl-, chloride (1:1)
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CAS No:
Safety Information
P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362
H315
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, and P362|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
1,3-DIMETHYLIMIDAZOLIUM CHLORIDE Use and Manufacturing
In a 250 mL round bottom flask immersed inan ice bath, 10 g of 1-methylimidazole was placed, and 10 mL of HCl (37percent aqueous solution) was slowlyadded. After 20 min, the solvent was evaporated to yield the desired ionic liquid, 1-methylimidazoliumchloride, to be used in the following step without further purification. In a Q-tube reactor, 3.0 g of1-methylimidazolium chloride and 2.28 g of dimethyl carbonate (DMC; 0.025 mmol) were placed, and the mixture was heated at 170 °C for two hours to yield the desired product, 1, 3-dimethylimidazolium chloride 1, in quantitative yield. 1H-NMR (200 MHz, DMSO-d6, ppm): δ = 9.46 (s, 1H), 7.87 (s, 2H), 3.87 (m, 6H).In a 250 mL round bottom flask immersed inan ice bath, 10 g of 1-methylimidazole was placed, and 10 mL of HCl (37percent aqueous solution) was slowlyadded. After 20 min, the solvent was evaporated to yield the desired ionic liquid, 1-methylimidazoliumchloride, to be used in the following step without further purification. In a Q-tube reactor, 3.0 g of1-methylimidazolium chloride and 2.28 g of dimethyl carbonate (DMC; 0.025 mmol) were placed, and the mixture was heated at 170 °C for two hours to yield the desired product, 1, 3-dimethylimidazolium chloride 1, in quantitative yield. 1H-NMR (200 MHz, DMSO-d6, ppm): δ = 9.46 (s, 1H), 7.87 (s, 2H), 3.87 (m, 6H).Take a 100 mL three-necked flask, 1, 3-dimethylimidazole was added thereto successively under nitrogen protection(1.33 g0 · 01 mol), acetone (100 mL, 1.71 mol) and then 30percent methanol sodium methoxide solution (1.8 g, 0.01 mol) was added to control the reaction temperature at 15 ° C. After 4 h of reaction, the reaction solution was filtered and the filtrate was charged into a 250 mL autoclave.
Computed Properties
Molecular Weight:132.59
Hydrogen Bond Acceptor Count:1
Exact Mass:132.0454260
Monoisotopic Mass:132.0454260
Topological Polar Surface Area:8.8
Heavy Atom Count:8
Complexity:55.1
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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1,3-DIMETHYLIMIDAZOLIUM CHLORIDE
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