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| CAS号 : | 464-72-2 |
精确质量 : | 366.16200 |
| 分子式 : | C26H22O2 |
logP : | 4.85860 |
| 分子量 : | 366.45200 |
PSA : | 40.46000 |
苯频哪醇 | |
Benzopinacole | |
464-72-2 | |
C26H22O2 | |
366.45200 | |
40.46000 | |
4.85860 | |
366.16200 |
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1.648
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白色结晶粉末
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224.9ºC
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506.9ºC at 760 mmHg
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171-173 °C(lit.)
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1.198 g/cm3
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insoluble
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4.26E-11mmHg at 25°C
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Stable. Combustible. Incompatible with strong oxidizing agents.
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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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KI2750000
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2
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29062900
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S22-S24/25
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Xi
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R20/21/22
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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.将二苯甲酮、异丙酮和微量冰乙酸的混合物进行光照处理,能93-94%的产率结晶出四苯乙二醇。 <br>2.制法: 于100mL的圆底烧瓶中,加入二苯甲酮<br>(2)10g(0.055mol),异丙醇50mL,温热溶解,加入1滴冰醋酸。再加入约25mL异丙醇,冷至室温。用铝箔封号瓶口。将其置于阳光下照射,24h后有结晶析出。约一周后,冰水浴冷却,过滤析出的固体,用少量冷的异丙醇洗涤,干燥,得四苯基乙二醇9.2g,收率91%。mp180～182℃。用约80mL冰醋酸重结晶,得无色针状结晶8g,mp185～186℃。 </p> | |
<p>有机合成中间体。</p> |
