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分类供应 化工原料 (58)化学试剂 (4)添加剂 (1)原料药 (6)中间体 (30)
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N-甲基甲酰胺供应 国标优级品
| 所属类别 |
中间体精细化工 |
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| 主要特点 |
N-甲基甲酰胺供应 国标优级品 |
| 产品规格 |
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| 招商区域 |
山东济南市 |
| 零售价格 |
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| 产品说明 |
<span style="color: rgb(102, 102, 102); font-family: "Microsoft YaHei-Regular", "Microsoft YaHei"; font-size: 14px; text-indent: 2em;">三菱N-甲基甲酰胺供应 国标优级品 一桶起订</span>
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<span style="box-sizing: border-box;">化学性质</span></p>
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<span style="box-sizing: border-box;">熔点 -4 °C (lit.)</span></p>
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<span style="box-sizing: border-box;">沸点 198-199 °C (lit.)</span></p>
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<span style="box-sizing: border-box;">密度 1.011 g/mL at 25 °C (lit.)</span></p>
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<span style="box-sizing: border-box;">蒸气压20Pa at 20℃</span></p>
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<span style="box-sizing: border-box;">折射率 n20/D 1.432(lit.)</span></p>
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<span style="box-sizing: border-box;">闪点 >230 °F</span></p>
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<span style="box-sizing: border-box;">N-甲基甲酰胺纯品为无色透明黏稠液体，</span></p>
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<span style="box-sizing: border-box;">相对密度0.9986(25℃)，</span></p>
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<span style="box-sizing: border-box;">溶于水，也能溶解无机盐类，具有吸湿性，在酸性或碱性溶液中容易分解。</span></p>
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<span style="box-sizing: border-box;">用途</span></p>
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<span style="box-sizing: border-box;">N-甲基甲酰胺是一种重要的有机合成原料，</span></p>
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<span style="box-sizing: border-box;">用于农药杀虫杀螨剂单甲脒、双甲脒的合成，</span></p>
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<span style="box-sizing: border-box;">也用于生产医药、合成革、人造革以及用作化纤纺织溶剂等。</span></p>
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<span style="box-sizing: border-box;">用途</span></p>
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<span style="box-sizing: border-box;">用作有机合成原料，用于农药杀虫药剂、医药、合成革、人造革等的合成；</span></p>
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<span style="box-sizing: border-box;">以及用作化纤纺织溶剂等。</span></p>
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<span style="box-sizing: border-box;">用途N-甲基甲酰胺是重要的有机化工原料和中间体，是一种性能较好的有机溶剂，用于合成高效低毒的单甲咪，双甲咪等，</span></p>
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<span style="box-sizing: border-box;">它可用作有机合成的反应溶剂和精制溶剂，</span></p>
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<span style="box-sizing: border-box;">还广泛用于医药、染料、香料及电解、电镀工业等。</span></p>
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<span style="box-sizing: border-box;">生产方法</span></p>
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<span style="box-sizing: border-box;">1.甲胺法由甲胺与一氧化碳反应制得。2.甲酸甲酯法由甲酸甲酯与甲胺反应而得。3.由甲酸乙酯和甲胺反应而得。将甲酸乙酯加入反应器中，在冷却下加入甲胺水溶液，于40℃回流反应。然后放置3d，减压回收乙醇得到粗品。再经减压蒸馏而得成品。</span></p> |
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