| 中文名 | 5,8-二甲氧基-2,2-二甲基-2H-色烯 |
|---|---|
| 英文名 | 5,8-dimethoxy-2,2-dimethylchromene |
| 英文别名 |
5,8-dimethoxy-2,2-dimethyl-2h-chromene
2,2-dimethyl-5,8-dimethoxy-2H-1-benzopyrane 2,2-dimethyl-5,8-dimethoxychromene 2H-1-Benzopyran,5,8-dimethoxy-2,2-dimethyl |
| 密度 | 1.063g/cm3 |
|---|---|
| 沸点 | 328.1ºC at 760mmHg |
| 分子式 | C13H16O3 |
| 分子量 | 220.26400 |
| 闪点 | 110ºC |
| 精确质量 | 220.11000 |
| PSA | 27.69000 |
| LogP | 2.88800 |
| 蒸汽压 | 0.00037mmHg at 25°C |
| 折射率 | 1.513 |
| 海关编码 | 2909199090 |
|---|
| 海关编码 | 2909199090 |
|---|---|
| 中文概述 | 2909199090. 其他无环醚及其卤化衍生物（包括磺化，硝化或亚硝化衍生物）. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |