英语词典化工词典

4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-6-methyl-, (2S)-

4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-6-methyl-, (2S)-


  • 中文别名:(2S)-4\',5,7-三羟基-6-甲基黄烷酮
  • 英文别名:5,7-dihydroxy-2-(4-hydroxyphenyl)-6-methyl-2,3-dihydrochromen-4-one;
    5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-methyl-2,3-dihydro-4H-chromen-4-one;
    Poriol 
  • CAS No.:14348-16-4
  • 分子式:C16H14O5
  • 分子量:286.2794
  • 精确分子量:286.08400
  • PSA:86.99000
  • InChI:The Key: SLFZBNOERHGNMI-ZDUSSCGKSA-N
  • 分子结构式:

物化性质

密度:
1.434g/cm3
沸点:
588.6ºC at 760mmHg
闪点:
225.4ºC
折射率:
1.676
蒸汽压:
1.89E-14mmHg at 25°C

安全信息

密度:
1.434g/cm3
沸点:
588.6ºC at 760mmHg
闪点:
225.4ºC
折射率:
1.676
蒸汽压:
1.89E-14mmHg 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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