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| CAS号 : | 5390-04-5 |
精确质量 : | 84.05750 |
| 分子式 : | C5H8O |
logP : | 0.39210 |
| 分子量 : | 84.11640 |
PSA : | 20.23000 |
4-戊炔-1-醇 | |
pent-4-yn-1-ol | |
5390-04-5 | |
C5H8O | |
84.11640 | |
20.23000 | |
0.39210 | |
84.05750 |
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透明至淡黄色液体
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n20/D 1.445(lit.)
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143 °F
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0.904 g/mL at 25 °C(lit.)
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154-155 °C(lit.)
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GHS07 | |
警告 | |
H315; H319; H335 | |
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III
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3.2
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2905290000
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1987
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3
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R36/37/38
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S26-S36-S37/39
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Xi
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HS:2905290000.Other Unsaturated monohydric alcohols |
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品名, 成分含量, 用途, 包装 |
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2905290000 其他不饱和一元醇。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0% |
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2905290000 unsaturated monohydric alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
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HS:2905290000.Other Unsaturated monohydric alcohols. General tariff:5.0% |
1.制法: 于装有搅拌器、温度计、回流冷凝器(装干燥管)的3L反应瓶中,加入液氨1L,1g水合硝酸铁,分批进入新鲜的金属钠80.5g(3.5mol),直至所有的钠转化为氨基钠。而后滴加2-氯甲基四氢呋喃 |
