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![9,10-二氢-9,10-[1,2]苯桥蒽-9-羧酸结构式](https://www.chemicalbook.com/CAS/GIF/4423-49-8.gif)
| CAS号 : | 4423-49-8 |
精确质量 : | 298.09900 |
| 分子式 : | C21H14O2 |
logP : | 3.91260 |
| 分子量 : | 298.33500 |
PSA : | 37.30000 |
9,10-二氢-9,10-[1,2]苯桥蒽-9-羧酸 | |
9-triptycenecarboxylic acid | |
4423-49-8 | |
C21H14O2 | |
298.33500 | |
37.30000 | |
3.91260 | |
298.09900 |
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1.724
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231.1ºC
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1.359g/cm3
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435.1ºC at 760 mmHg
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2916399090
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |