英语词典化工词典

7H-Furo[3,2-g][1]benzopyran-7-one,4,9-dihydroxy-

7H-Furo[3,2-g][1]benzopyran-7-one,4,9-dihydroxy-


  • 中文别名:5,8-DIHYDROXYPSORALEN
  • 中文释义:5,8-DIHYDROXYPSORALEN;5,8-二羟基补骨脂素;5,8-二羟基葛根素
  • 英文别名:4,9-dihydroxyfuro[3,2-g]chromen-7-one;
    4,9-dihydroxy-furo[3,2-g]chromen-7-one;
    Psoralen,5,8-dihydroxy;
    7H-Furo(3,2-g)(1)benzopyran-7-one,4,9-dihydroxy;
    4,9-Dihydroxy-furo[3,2-g]chromen-7-on;
    4,9-dihydroxypsoralen;
    7-Oxo-4,9-dihydroxy-7H-<3,2-g><1>benzopyran;
    5,8-dihydroxypsoralen;
    5-hydroxyxanthotoxol 
  • CAS No.:14348-23-3
  • 分子式:C11H6O5
  • 分子量:218.16234
  • 精确分子量:218.02200
  • PSA:83.81000
  • InChI:The Key: DZEPISXWRUMGFN-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.667g/cm3
沸点:
344.4ºC at 760 mmHg
闪点:
162.1ºC
折射率:
1.756
蒸汽压:
3.31E-05mmHg at 25°C

安全信息

密度:
1.667g/cm3
沸点:
344.4ºC at 760 mmHg
闪点:
162.1ºC
折射率:
1.756
蒸汽压:
3.31E-05mmHg 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%

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