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| CAS号 : | 3721-95-7 |
精确质量 : | 100.05200 |
| 分子式 : | C5H8O2 |
logP : | 0.87110 |
| 分子量 : | 100.11600 |
PSA : | 37.30000 |
环丁基甲酸 | |
Cyclobutanecarboxylic acid | |
3721-95-7 | |
C5H8O2 | |
100.11600 | |
37.30000 | |
0.87110 | |
100.05200 |
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n20/D 1.444(lit.)
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透明无色液体
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183 °F
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195 °C(lit.)
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−7.5 °C(lit.)
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1.047 g/mL at 25 °C(lit.)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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GU1335000
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3
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8
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S23-S24/25
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III
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3265
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2942000000
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Xi
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R36/37/38
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
<p>将环丁烷-1,1-二羧酸放入蒸馏装置加热,在160℃左右脱羧基放出二氧化碳,然后加热蒸馏,收集189-195℃馏分即为粗品,重新蒸馏,得成品环丁烷羧酸。产率86%-91%。</p> | |
<p>用于有机合成。</p> |
