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1-??-3-??????????????
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1-??-3-?????????????? ??
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- 8°C(lit.)
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- 1.702 g/cm3
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- Light yellow to Amber to Dark green
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| HS ?? | 29332900 |
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Preparation of 1-butyl-3-methylimidazolium tribromide:Bromine (0.10 mol) was added in dropwise to stirred 1-butyl-3-methylimidazolium bromide (0.10 mol), which obtained by the above experiment. After the addition was completed, the resulting mixture was stirred for 2 h at room temperature and washed by ethyl acetate (30 mL × 3). The residue was vacuum-dried overnight at 70 ℃.1-??-3-?????????????? ?? ?? ? ???
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