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![2',4',5',7'-四氯-3',6'-二羟基螺[2-苯并呋喃-3,9'-氧杂蒽]-1-酮结构式](https://www.chemicalbook.com/CAS/GIF/2320-38-9.gif)
| CAS号 : | 2320-38-9 |
精确质量 : | 467.91300 |
| 分子式 : | C20H8Cl4O5 |
logP : | 6.27940 |
| 分子量 : | 470.08700 |
PSA : | 75.99000 |
2',4',5',7'-四氯-3',6'-二羟基螺[2-苯并呋喃-3,9'-氧杂蒽]-1-酮 | |
2',4',5',7'-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one | |
2320-38-9 | |
C20H8Cl4O5 | |
470.08700 | |
75.99000 | |
6.27940 | |
467.91300 |
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1.8
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345.3ºC
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647.4ºC at 760 mmHg
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1.87g/cm3
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2.34E-17mmHg at 25°C
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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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