4',5'-Dichlorofluorescein
- 中文别名:4\',5\'-二氯荧光素
- 中文释义:4’,5’-二氯荧光素;4.5-二氯荧光黄4.5-二氯-3.6-荧烷二醇;4.5-二氯荧光素
- 英文别名:4.5-Dichlorofluorescein;
4,5-dichloro-2-triphenoxymethyl-1H-imidazole;
4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1[3H]-9'-[9H]-xanthene]-3-one;
4,5-dichloro-2-triphenoxymethyl-imidazole;
4',5'-Dichlorofluorescein
- CAS No.:2320-96-9
- 分子式:
C20H10Cl2O5
- 分子量:401.20
- 精确分子量:399.99100
- PSA:75.99000
- InChI:InChI=1/C20H10Cl2O5/c21-16-13(23)7-5-11-15(9-3-1-2-4-10(9)20(25)26)12-6-8-14(24)17(22)19(12)27-18(11)16/h1-8,23H,(H,25,26)
- 分子结构式:
物化性质
- 密度:
- 1.75g/cm3
- 沸点:
- 633.9ºC at 760mmHg
- 闪点:
- 337.2ºC
- 折射率:
- 1.757
- 蒸汽压:
- 1.77E-18mmHg at 25°C
安全信息
- 密度:
- 1.75g/cm3
- 沸点:
- 633.9ºC at 760mmHg
- 闪点:
- 337.2ºC
- 折射率:
- 1.757
- 蒸汽压:
- 1.77E-18mmHg at 25°C
海关数据
中国海关编码:2932999099
- 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
- 摘要/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%