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| CAS号 : | 4635-59-0 |
精确质量 : | 139.98000 |
| 分子式 : | C4H6Cl2O |
logP : | 1.77080 |
| 分子量 : | 140.99600 |
PSA : | 17.07000 |
4-氯丁酰氯 | |
4-Chlorobutyryl chloride | |
4635-59-0 | |
C4H6Cl2O | |
140.99600 | |
17.07000 | |
1.77080 | |
139.98000 |
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透明液体
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n20/D 1.461(lit.)
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163 °F
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3 mm Hg ( 20 °C)
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Keep away from sources of ignition. Store in a cool, dry place. Do not store in direct sunlight. Store in a tightly closed container. Corrosives area.
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-47 °C
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1.26 g/mL at 25 °C(lit.)
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173-174 °C(lit.)
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II
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6.1
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29159080
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UN 3390 6.1/PG 1
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1
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R22; R23; R35
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S26-S28-S36/37/39-S45-S28A
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EM1406000
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C
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1.其制备方法是将丁内酯、无水氯化锌和氯化亚砜置于反应瓶中,于55℃搅拌12h,减压蒸馏收集产品。 由γ-丁内酯经氯化而得。将γ-丁内酯和氯化锌搅拌升温,在55-60℃下反应1h。于60℃慢慢加入氯化亚砜,反应2h。在5-6h内升温至80℃。静置过夜,取上部清液常压蒸馏后再重蒸1次,收集馏分得4-氯丁酰氯。 | |
主要用于医药中间体。 |
