7H-Furo[2,3-f][1]benzopyran-7-one,2,4,9-trimethyl-
- 中文别名:2,4,9-三甲基吡喃并[6,5-g][1]苯并呋喃-7-酮
- 英文别名:2,4,9-trimethylfuro[2,3-f]chromen-7-one;
2,4,9-Trimethylallopsoralen;
4,7,5'-Trimethyl-allopsoralen;
4,7,4'-Trimethylallopsoralen
- CAS No.:33158-05-3
- 分子式:C14H12O3
- 分子量:0
- 精确分子量:228.07900
- PSA:43.35000
- InChI:The Key: IZLPACMKANNNGR-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.236g/cm3
- 沸点:
- 397.3ºC at 760mmHg
- 闪点:
- 194.1ºC
- 折射率:
- 1.613
安全信息
- 密度:
- 1.236g/cm3
- 沸点:
- 397.3ºC at 760mmHg
- 闪点:
- 194.1ºC
- 折射率:
- 1.613
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%