7H-Furo[3,2-g][1]benzopyran-7-one,5,9-dimethyl-
- 中文别名:4,8-二甲基-5\'-羧基补骨脂素
- 英文别名:7H-Furo[3,2-g][1]benzopyran-7-one, 5,9-dimethyl-;
5,9-Dimethyl-7H-furo[3,2-g][1]benzopyran-7-one;
4,8-Dimethylpsoralen;
4,8-Dimethylpsoralene
- CAS No.:15912-90-0
- 分子式:C13H10O3
- 分子量:0
- 精确分子量:214.06300
- PSA:43.35000
- InChI:The Key: JLYPOISSVAJQID-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.273g/cm3
- 沸点:
- 373.8ºC at 760 mmHg
- 闪点:
- 179.8ºC
- 折射率:
- 1.624
- 蒸汽压:
- 8.76E-06mmHg at 25°C
安全信息
- 密度:
- 1.273g/cm3
- 沸点:
- 373.8ºC at 760 mmHg
- 闪点:
- 179.8ºC
- 折射率:
- 1.624
- 蒸汽压:
- 8.76E-06mmHg 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%