19040-71-2
19040-71-2结构式
- 常用中文名：4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone
- 常用英文名：4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone
- CAS号：19040-71-2
- 分子式：C10H7ClO4
- 分子量：226.61300
- 发布时间：2017-02-22 08:15:28
- 更新时间：2025-09-21 22:44:24
| 英文名 | 4-(chloromethyl)-7,8-dihydroxychromen-2-one |
|---|---|
| 英文别名 |
4-(chloromethyl)-5,7-dihydroxy-2H-chromen-2-one
4-chloromethyl-7,8-dihydroxycoumarin BB_NC-2140 4-chloromethyldaphnetin 4-(Chloromethyl)-7,8-dihydroxy-2-benzopyrone 4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one 4-chloromethyl-7,8-dihydroxy-chromen-2-one 4-(chloromethyl)-7,8-dihydroxy-2H-chromen-2-one |
| 密度 | 1.569g/cm3 |
|---|---|
| 沸点 | 451.7ºC at 760mmHg |
| 分子式 | C10H7ClO4 |
| 分子量 | 226.61300 |
| 闪点 | 227ºC |
| 精确质量 | 226.00300 |
| PSA | 70.67000 |
| LogP | 1.94300 |
| 蒸汽压 | 8.92E-09mmHg at 25°C |
| 折射率 | 1.656 |
| 海关编码 | 2932209090 |
|---|
|
~98%
19040-71-2 |
| 文献：Sharma; Janardhan Reddy; Sree Lakshmi; Radha Krishna Tetrahedron Letters, 2005 , vol. 46, # 36 p. 6119 - 6121 |
|
~90%
19040-71-2 |
| 文献：Sharghi, Hashem; Jokar, Mahboubeh Heterocycles, 2007 , vol. 71, # 12 p. 2721 - 2733 |
|
~65%
19040-71-2 |
| 文献：Campos-Toimil, Manuel; Orallo, Francisco; Santana, Lourdes; Uriarte, Eugenio Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 5 p. 783 - 786 |
| 海关编码 | 2932209090 |
|---|---|
| 中文概述 | 2932209090. 其他内酯. 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 | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |