英语词典化工词典

4H-1-Benzopyran-4-one,2,3-dihydro-5-hydroxy-7-methoxy-2-phenyl-, (2S)-

4H-1-Benzopyran-4-one,2,3-dihydro-5-hydroxy-7-methoxy-2-phenyl-, (2S)-


  • 中文别名:球松素; 乔松酮; 基黄烷酮; 5-羟基-7-甲氧基-2-苯基色满-4-酮
  • 中文释义:球松素;5-羟基-7-甲氧基-2-苯基色满-4-酮;乔松酮;5-羟基-7-甲氧基黄烷酮
  • 英文别名:pinostrobin;
    Pinostrobin;
    2-Phenyl-5-hydroxy-7-methoxy-2,3-dihydro-4H-1-benzopyran-4-one;
    5-Hydroxy-7-methoxy-2-phenyl-chroman-4-one;
    2,3-Dihydro-5-hydroxy-7-methoxy-2-phenyl-4H-1-benzopyran-4-one;
    Pinostobin;
    Dihydrotectochrysin;
    Pistrobin 
  • CAS No.:480-37-5
  • 分子式:C16H14O4
  • 分子量:270.28
  • 精确分子量:270.08900
  • PSA:55.76000
  • InChI:The Key: ORJDDOBAOGKRJV-AWEZNQCLSA-N
  • 分子结构式:

物化性质

密度:
1.284g/cm3
熔点:
100ºC
沸点:
494.9ºC at 760mmHg
闪点:
188.8ºC
折射率:
1.612
蒸汽压:
2.03E-10mmHg at 25°C

安全信息

密度:
1.284g/cm3
熔点:
100ºC
沸点:
494.9ºC at 760mmHg
闪点:
188.8ºC
折射率:
1.612
蒸汽压:
2.03E-10mmHg 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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