| 英文名 | ethyl 5-hydroxy-6-methyl-4-oxopyran-2-carboxylate |
|---|---|
| 英文别名 |
5-hydroxy-6-methyl-4-oxo-4H-pyran-2-carboxylic acid ethyl ester
6-(Carboaethoxy)maltol 3-Hydroxy-2-methyl-4-oxopyran-6-carboxylic-acid-ethylester 4H-Pyran-2-carboxylicacid,5-hydroxy-6-methyl-4-oxo-,ethyl ester 2-Methyl-3-hydroxy-6-carbethoxy-4-pyron Ethyl 5-hydroxy-6-methyl-4-oxo-4H-pyran-2-carboxylate |
| 密度 | 1.36g/cm3 |
|---|---|
| 沸点 | 362.7ºC at 760 mmHg |
| 分子式 | C9H10O5 |
| 分子量 | 198.17300 |
| 闪点 | 147.3ºC |
| 精确质量 | 198.05300 |
| PSA | 76.74000 |
| LogP | 0.83050 |
| 蒸汽压 | 9.98E-07mmHg at 25°C |
| 折射率 | 1.542 |
| 海关编码 | 2932999099 |
|---|
| 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% |