trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid结构式
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常用名 | trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid | 英文名 | trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid |
|---|---|---|---|---|
| CAS号 | 42059-58-5 | 分子量 | 216.19000 | |
| 密度 | 1.484g/cm3 | 沸点 | 367.7ºC at 760 mmHg | |
| 分子式 | C12H8O4 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 145.7ºC |
| 英文名 | trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid |
|---|---|
| 英文别名 | 更多 |
| 密度 | 1.484g/cm3 |
|---|---|
| 沸点 | 367.7ºC at 760 mmHg |
| 分子式 | C12H8O4 |
| 分子量 | 216.19000 |
| 闪点 | 145.7ºC |
| 精确质量 | 216.04200 |
| PSA | 67.51000 |
| LogP | 1.89080 |
| 折射率 | 1.712 |
| 海关编码 | 2918300090 |
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~13%
trans-3-(4-oxo-... 42059-58-5
详细
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| 文献：Shutov, Roman V.; Kuklina, Elizaveta V.; Ivin, Boris A. Tetrahedron Letters, 2011 , vol. 52, # 2 p. 266 - 269 |
|
~96%
trans-3-(4-oxo-... 42059-58-5 |
| 文献：Suresh, Dhruva Kumar; Sandhu, Jagir S. Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2011 , vol. 50, # 10 p. 1479 - 1483 |
|
~95%
trans-3-(4-oxo-... 42059-58-5 |
| 文献：Iwasaki, Hideharu; Kume, Takashi; Yamamoto, Yohsuke; Akiba, Kin-ya Heterocycles, 1988 , vol. 27, # 7 p. 1599 - 1602 |
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~%
trans-3-(4-oxo-... 42059-58-5 |
| 文献：Iwasaki, Hideharu; Kume, Takashi; Yamamoto, Yohsuke; Akiba, Kin-ya Heterocycles, 1988 , vol. 27, # 7 p. 1599 - 1602 |
|
~%
trans-3-(4-oxo-... 42059-58-5 |
| 文献：Iwasaki, Hideharu; Kume, Takashi; Yamamoto, Yohsuke; Akiba, Kin-ya Heterocycles, 1988 , vol. 27, # 7 p. 1599 - 1602 |
| 海关编码 | 2918300090 |
|---|---|
| 中文概述 | 2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
| rarechem al bk 0223 |
