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| CAS: | 74-88-4 |
| 分子式: | CH3I |
| 分子量: | 141.94 |
| 熔点: | -66-43℃ |
| 闪点: | -0.4 ℉ |
| 沸点: | 42.5℃ |
| 密度: | 2.28 |
| 中文名称: | |
| 英文名称: | | Methane,iodo- | | 10domethane | | methyl iodide(iodomethane) | | methyliodide(iodomethane) | | Methyl iodide | | Iodomethane | | iodo-Methane | | halon 10001 | | iodometano | | iodometano (italian) | | iodure de methyle | | iodure de methyle (french) | | jod-methan | | jod-methan (german) | | joodmethaan | | joodmethaan (dutch) | | iodo-methan | | methyljodid | | methyljodid (german) | | methyljodide | | methyljodide (dutch) | | metylu jodek | | metylu jodek (polish) | | monoiodomethane | | monoioduro di metile | | monoioduro di metile (italian) | | rcra waste number u138 | | iodo-methane | | Methyliodid | | Iodmethan | | Jodmethan | | Methyl iodide(CH3I) | | Methyliodide |
展开更多英文名称 |
| 性质描述: | 无色易燃体。熔点-66.45℃,沸点42.4℃,相对密度2.279(20/4℃),折光率1.5317。能与乙醇、乙醚混溶,溶于丙酮和苯,微溶于水。见光变红色。 |
| 生产方法: | 由硫酸二甲酯经卤化而得。将水、碘化钾、碳酸钙依次加入反应锅内,搅拌加热使碘化钾完全溶解。升温至60-65℃,滴加硫酸二甲酯,生成的碘甲烷逐渐被蒸出,收集蒸馏物,分去水层即为碘甲烷。进一步精制时,可经无水氯化钙干燥,加几粒碘化钾进行蒸馏,收集41-43℃馏分即可,收率约90%。 |
| 用途: | 医药工业用于碘甲基蛋氨酸(维生素U)、镇痛药、解毒药磷敌等药物的生产,还用于有机合成作甲基化试剂、灭火剂等。 |