英语词典化工词典

9H-Xanthen-9-one,1,7-dihydroxy-3-methoxy-

9H-Xanthen-9-one,1,7-dihydroxy-3-methoxy-


  • 中文别名:龙胆根素
  • 中文释义:龙胆根素;龍膽根素;二羟基龙胆ZHAN吨酮;1,7-二羥二苯并哌哢;3-甲氧[印]度黃酮;龙胆口山酮
  • 英文别名:gentisin;
    GENTIANIC ACID;
    1,7-dihydroxy-3-methoxy-9H-xanthen-9-one;
    Gentisine;
    1,7-Dihydroxy-3-methoxy-xanthon;
    Gentisin;
    EINECS 207-114-1;
    1,7-Dihydroxy-3-methoxy-xanthen-9-on;
    1,7-dihydroxy-3-methoxyxanthen-9-one;
    Xanthen-9-one,1,7-dihydroxy-3-methoxy;
    Gentianin;
    1,7-dihydroxy-3-methoxy-xanthen-9-one;
    1,7-Dihydroxy-3-methoxyxanthone 
  • CAS No.:437-50-3
  • 分子式:

    C14H10O5

  • 分子量:258.23
  • 精确分子量:258.05300
  • PSA:79.90000
  • InChI:The Key: XOXYHGOIRWABTC-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.48g/cm3
沸点:
519.9ºC at 760mmHg
闪点:
205.2ºC
折射率:
1.68
蒸汽压:
1.99E-11mmHg at 25°C

安全信息

密度:
1.48g/cm3
沸点:
519.9ºC at 760mmHg
闪点:
205.2ºC
折射率:
1.68
蒸汽压:
1.99E-11mmHg 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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