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![3,3-二苯基-3H-萘并[2,1-b]吡喃结构式](https://www.chemicalbook.com/CAS/GIF/4222-20-2.gif)
| CAS号 : | 4222-20-2 |
精确质量 : | 334.13600 |
| 分子式 : | C25H18O |
logP : | 6.18920 |
| 分子量 : | 334.41000 |
PSA : | 9.23000 |
3,3-二苯基-3H-萘并[2,1-b]吡喃 | |
3,3-diphenylbenzo[f]chromene | |
4222-20-2 | |
C25H18O | |
334.41000 | |
9.23000 | |
6.18920 | |
334.13600 |
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1.679
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265.1ºC
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511.1ºC at 760 mmHg
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160ºC
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1.187 g/cm3
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S26; S36/37/39
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R36/37/38
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2902909090
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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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<p>光致变色染料</p> |