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| CAS号 : | 87-41-2 |
精确质量 : | 134.03700 |
| 分子式 : | C8H6O2 |
logP : | 1.35700 |
| 分子量 : | 134.13200 |
PSA : | 26.30000 |
苯酞 | |
2-benzofuran-1(3H)-one | |
87-41-2 | |
C8H6O2 | |
134.13200 | |
26.30000 | |
1.35700 | |
134.03700 |
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1.5302 (99.1ºC)
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白色至灰白色结晶粉末
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152 °C
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290 °C(lit.)
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71-74 °C(lit.)
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sparingly soluble
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1.1
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Stable under normal temperatures and pressures.
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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TI3520000
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29322980
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3
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S26-S36-S24/25
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Xi
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R36
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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% |
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暂时无法加载合成路线，请稍后刷新重试 |
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<p>1. 烟草:BU,14;FC,9;FC,OR,BU,18。 <br>2.制法: 于装有搅拌器、回流冷凝器、温度计的反应瓶中,加入水130mL,浓硫酸160mL。搅拌下加热至145～150℃。慢慢加入邻氰基苄基氯<br>(2)153g(1mol)反应中有氯化氢逸出。加完后于160℃反应2h。稍冷后倒入烧杯中,自然冷却,析出固体。抽滤,用水充分浸泡以除去无机盐,再抽滤、水洗,干燥,得苯酞<br>(1)120g。用乙醇重结晶,得纯品<br>(1)83g,mp73～75℃,收率71%。 </p> | |
<p>有机合成。</p> |
