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| CAS号 : | 90-47-1 |
精确质量 : | 196.05200 |
| 分子式 : | C13H8O2 |
logP : | 2.94620 |
| 分子量 : | 196.20100 |
PSA : | 30.21000 |
占吨酮 | |
xanthone | |
90-47-1 | |
C13H8O2 | |
196.20100 | |
30.21000 | |
2.94620 | |
196.05200 |
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1.642
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灰白色粉末
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350-351°C
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349-350 °C730 mm Hg(lit.)
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172-174 °C(lit.)
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1.277 g/cm3
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Stable. Incompatible with strong oxidizing agents.
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ZD5711000
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3
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S24/25
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UN 2811 6.1/PG 3
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Xi; Xn
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R22
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2932999099
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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>将水杨酸苯酯加热至275-285℃,开始反应并馏出生成的苯酚,继续升温达到350-355℃,所得产物经精制即为呫吨酮。</p> | |
<p>用于有机合成,制备医药、染料和杀蛹剂。</p> |
