5,7-dihydroxy-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one结构式
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常用名 | 5,7-dihydroxy-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one | 英文名 | 5,7-dihydroxy-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one |
|---|---|---|---|---|
| CAS号 | 883-09-0 | 分子量 | 208.21100 | |
| 密度 | 1.308g/cm3 | 沸点 | 404.3ºC at 760 mmHg | |
| 分子式 | C11H12O4 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 162.7ºC |
| 英文名 | 5,7-dihydroxy-2,2-dimethyl-3H-chromen-4-one |
|---|---|
| 英文别名 | 更多 |
| 密度 | 1.308g/cm3 |
|---|---|
| 沸点 | 404.3ºC at 760 mmHg |
| 分子式 | C11H12O4 |
| 分子量 | 208.21100 |
| 闪点 | 162.7ºC |
| 精确质量 | 208.07400 |
| PSA | 66.76000 |
| LogP | 1.84160 |
| 折射率 | 1.584 |
| 海关编码 | 2932999099 |
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~90%
5,7-dihydroxy-2... 883-09-0 |
| 文献：Jain, Niveta; Krishnamurty Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1999 , vol. 38, # 11 p. 1237 - 1241 |
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~91%
5,7-dihydroxy-2... 883-09-0 |
| 文献：Sowmithran, D.; Rajendra Prasad, K. J. Synthesis, 1985 , # 5 p. 545 - 546 |
|
~90%
5,7-dihydroxy-2... 883-09-0 |
| 文献：Ramana, M. M. V.; Kudav, N. A. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 339 - 341 |
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~34%
5,7-dihydroxy-2... 883-09-0 |
| 文献：Vijayalakshmi; Subramanian; Rajendra Indian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry, 1990 , vol. 29, # 7 p. 661 - 663 |
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~%
5,7-dihydroxy-2... 883-09-0 |
| 文献：Miyano; Matsui Bulletin of the Chemical Society of Japan, 1958 , vol. 31, p. 398,401 Chemische Berichte, 1958 , vol. 91, p. 2044,2045 |
| 海关编码 | 2932999099 |
|---|---|
| 中文概述 | 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% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 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% |
| 5,7-Dihydroxy-2,2-dimethyl-chroman-4-on |
| 5,7-dihydroxy-2,2-dimethyl-chroman-4-one |
| 5,7-dihydroxy-2,2-dimethyl-4-oxochromane |
| 5,7-dihydroxy-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one |
| 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2,2-dimethyl |
| 5,7-dihydroxy-2,2-dimethyl-4-chromanone |
| 5,7-(OH)2-2,2-(Me)2-chromanone |
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