| 英文名 | 2',3',6',7'-tetrahydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
|---|---|
| 英文别名 |
Hhqnph
2-Hydroxyhydroquinonephthalein ortho-Hydroxyhydroquinonephthalein |
| 密度 | 1.81g/cm3 |
|---|---|
| 沸点 | 740.7ºC at 760 mmHg |
| 分子式 | C20H12O7 |
| 分子量 | 364.30500 |
| 闪点 | 274.9ºC |
| 精确质量 | 364.05800 |
| PSA | 116.45000 |
| LogP | 3.07700 |
| 蒸汽压 | 1.1E-22mmHg at 25°C |
| 折射率 | 1.865 |
| 海关编码 | 2932999099 |
|---|
|
~%
2320-44-7 |
| 文献:Liebermann Chemische Berichte, 1901 , vol. 34, p. 2299 |
|
~%
2320-44-7 |
| 文献:Feuerstein; Dutoit Chemische Berichte, 1901 , vol. 34, p. 2637 Full Text Show Details Thiele,J.; Jaeger Chemische Berichte, 1901 , vol. 34, p. 2618 Full Text Show Details Liebermann Chemische Berichte, 1901 , vol. 34, p. 2299 |
| 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% |