4666-80-2
4666-80-2结构式
- 常用中文名：2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid
- 常用英文名：2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid
- CAS号：4666-80-2
- 分子式：C10H8O6
- 分子量：224.16700
- 发布时间：2016-11-17 22:26:12
- 更新时间：2025-08-25 14:05:32
| 英文名 | 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid |
|---|---|
| 英文别名 |
Tropolon-3-carbonsaeure-4-essigsaeure
2-Carboxymethyl-6-hydroxy-7-oxo-cyclohepta-1,3,5-triencarbonsaeure |
| 密度 | 1.626g/cm3 |
|---|---|
| 沸点 | 419.2ºC at 760 mmHg |
| 分子式 | C10H8O6 |
| 分子量 | 224.16700 |
| 闪点 | 221.4ºC |
| 精确质量 | 224.03200 |
| PSA | 111.90000 |
| LogP | 0.07770 |
| 折射率 | 1.644 |
| 海关编码 | 2918990090 |
|---|
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~%
4666-80-2 |
| 文献：Haworth; Moore; Pauson Journal of the Chemical Society, 1948 , p. 1045,1051 Full Text Show Details Collier Journal of the Chemical Society [Section] C: Organic, 1966 , p. 2255,2259 |
| 海关编码 | 2918990090 |
|---|---|
| 中文概述 | 2918990090. 其他含其他附加含氧基羧酸（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:13.0%. 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 | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |