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| CAS号 : | 503-60-6 |
精确质量 : | 104.03900 |
| 分子式 : | C5H9Cl |
logP : | 2.19140 |
| 分子量 : | 104.57800 |
PSA : | 0.00000 |
1-氯-3-甲基-2-丁烯 | |
1-Chloro-3-Methyl-2-Butene | |
503-60-6 | |
C5H9Cl | |
104.57800 | |
0.00000 | |
2.19140 | |
104.03900 |
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n20/D 1.4488(lit.)
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淡黄色透明液体
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56 °F
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58-59 °C120 mm Hg(lit.)
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0.928 g/mL at 25 °C(lit.)
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Stable under normal temperatures and pressures.
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a cool, dry place. Keep container closed when not in use. Flammables-area.
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3
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3
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S16-S26-S27-S36/37/39
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III
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UN 1993 3/PG 2
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F; Xi
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R11; R36/37/38
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2903299090
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品名, 成分含量, 用途 |
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HS: 2903299090. 其他无环烃的不饱和氯化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
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2903299090 other unsaturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
其制备方法是将异戊二烯与浓盐酸在催化剂CuCl存在下反应,或异戊二烯中通入氯化氢均能得到1-氯-3-甲基丁烯-2和3-氯-3-甲基丁烯-1的混合物,后者经室温下转位可以得到1-氯-3-甲基丁烯-2。在浓盐酸溶液中加入CuCl为催化剂,并进行激烈搅拌使其溶解,然后将温度控制在20℃以下,滴加异戊二烯,滴加完后维持20℃,再继续搅拌0.5h,反应结束,迅速分出有机层,用无水Na2CO3中和、干燥,常压蒸出未反应的异戊二烯及副反应生成的低沸物,然后减压蒸馏收集79℃/4 | |
用作农药、医药及香料中间体。 |
