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![二萘并[2,3-b:2',3'-d]呋喃结构式](https://www.chemicalbook.com/CAS/GIF/242-51-3.gif)
| CAS号 : | 242-51-3 |
精确质量 : | 268.08900 |
| 分子式 : | C20H12O |
logP : | 5.89240 |
| 分子量 : | 268.30900 |
PSA : | 13.14000 |
二萘并[2,3-b:2',3'-d]呋喃 | |
dinaphtho[2,3-b:2',3'-d]furan | |
242-51-3 | |
C20H12O | |
268.30900 | |
13.14000 | |
5.89240 | |
268.08900 |
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1.808
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271.6ºC
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3.71E-09mmHg at 25°C
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1.285g/cm3
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486.9ºC at 760mmHg
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2932999099
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品名, 成分含量, 用途 |
|
2932999099. 其他仅含氧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% |
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2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
