21620-60-0
21620-60-0结构式
- 常用中文名：2,3-dihydroxy-2-methyl-propanoic acid
- 常用英文名：2,3-dihydroxy-2-methyl-propanoic acid
- CAS号：21620-60-0
- 分子式：C4H8O4
- 分子量：120.10400
- 发布时间：2016-06-24 04:09:25
- 更新时间：2024-01-14 11:48:17
| 英文名 | 2,3-dihydroxy-2-methylpropanoic acid |
|---|---|
| 英文别名 |
2-methyglyceric acid
2,3-DIHYDROXY-2-METHYL-PROPANOIC ACID 2,3-dihydroxy-2-methylpropionate Propanoic acid,2,3-dihydroxy-2-methyl 2-methyl-2,3-dihydroxypropanoic acid a-methylglycerate 2,3-dihydroxy-2-methylpropionic acid 2-methylglyceric acid 2-methylglycerate |
| 密度 | 1.425g/cm3 |
|---|---|
| 沸点 | 358.8ºC at 760mmHg |
| 分子式 | C4H8O4 |
| 分子量 | 120.10400 |
| 闪点 | 185ºC |
| 精确质量 | 120.04200 |
| PSA | 77.76000 |
| 蒸汽压 | 1.36E-06mmHg at 25°C |
| 折射率 | 1.509 |
| 海关编码 | 2918290000 |
|---|
| 海关编码 | 2918290000 |
|---|---|
| 中文概述 | 2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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 |
| 监管条件 | A.入境货物通关单 B.出境货物通关单 |
| 检验检疫 | R.进口食品卫生监督检验 S.出口食品卫生监督检验 |
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |