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![1,6-二氧杂螺[4.4]壬烷-2,7-二酮结构式](https://www.chemicalbook.com/CAS/GIF/3505-67-7.gif)
| CAS号 : | 3505-67-7 |
精确质量 : | 156.04200 |
| 分子式 : | C7H8O4 |
logP : | 0.35670 |
| 分子量 : | 156.13600 |
PSA : | 52.60000 |
1,6-二氧杂螺[4.4]壬烷-2,7-二酮 | |
1,6-Dioxaspiro[4.4]nonane-2,7-dione | |
3505-67-7 | |
C7H8O4 | |
156.13600 | |
52.60000 | |
0.35670 | |
156.04200 |
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1.507
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254.1ºC
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69-71ºC(lit.)
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1.36g/cm3
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452.5ºC at 760mmHg
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2932999099
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S22-S24/25
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品名, 成分含量, 用途 |
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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% |
