2-(5-oxo-2-furylidene)acetic acid
更新时间：2025-08-25 11:08:12
2-(5-oxo-2-furylidene)acetic acid结构式
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常用名 | 2-(5-oxo-2-furylidene)acetic acid | 英文名 | 2-(5-oxo-2-furylidene)acetic acid |
|---|---|---|---|---|
| CAS号 | 3374-46-7 | 分子量 | 140.09400 | |
| 密度 | 1.721g/cm3 | 沸点 | 336.1ºC at 760mmHg | |
| 分子式 | C6H4O4 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 151.4ºC |
| 英文名 | cis-4-carboxymethylenebut-2-en-4-olide |
|---|---|
| 英文别名 | 更多 |
| 密度 | 1.721g/cm3 |
|---|---|
| 沸点 | 336.1ºC at 760mmHg |
| 分子式 | C6H4O4 |
| 分子量 | 140.09400 |
| 闪点 | 151.4ºC |
| 精确质量 | 140.01100 |
| PSA | 63.60000 |
| LogP | 0.06790 |
| 海关编码 | 2932190090 |
|---|
|
~75%
2-(5-oxo-2-fury... 3374-46-7 |
| 文献：Funabiki, Takuzo; Sugio, Daisuke; Inui, Nobuhiko; Maeda, Matsutaka; Hitomi, Yutaka Chemical Communications, 2002 , # 5 p. 412 - 413 |
|
~%
2-(5-oxo-2-fury... 3374-46-7 |
| 文献：Massy-Westropp, Ralph; Price, Martyn F. Australian Journal of Chemistry, 1980 , vol. 33, # 2 p. 333 - 341 |
|
~%
2-(5-oxo-2-fury... 3374-46-7 |
| 文献：Massy-Westropp, Ralph; Price, Martyn F. Australian Journal of Chemistry, 1980 , vol. 33, # 2 p. 333 - 341 |
![exo-7-氧杂二环[2.2.1]庚基-5-烯-2,3-二羧酸酐结构式](https://image.chemsrc.com/caspic/270/6118-51-0.png)
| 2-(5-oxo-2-furylidene)acetic acid上游产品 2 | |
|---|---|
| 2-(5-oxo-2-furylidene)acetic acid下游产品 0 | |
| 海关编码 | 2932190090 |
|---|---|
| 中文概述 | 2932190090 其他结构上有非稠合呋喃环化合物. 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:20.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
| trans-dienelactone |
| cis-dienelactone |
| 2-(5-oxo-2-furylidene)acetic acid |
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