| 英文名 | 1,4-dihydroxypyridin-2-one |
|---|---|
| 英文别名 |
2,4-Pyridinediol,1-oxide
2,4-dihydroxypyridine-1-oxide 1,2-dihydroxypyridin-4-one 2,4-Dihydroxypyridine N-oxide |
| 密度 | 1.751g/cm3 |
|---|---|
| 沸点 | 291ºC at 760mmHg |
| 分子式 | C5H5NO3 |
| 分子量 | 127.09800 |
| 闪点 | 129.8ºC |
| 精确质量 | 127.02700 |
| PSA | 62.46000 |
| 蒸汽压 | 0.000217mmHg at 25°C |
| 折射率 | 1.735 |
| 海关编码 | 2933399090 |
|---|
| 海关编码 | 2933399090 |
|---|---|
| 中文概述 | 2933399090. 其他结构含非稠合吡啶环的化合物. 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, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期 |
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |