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4H-1-Benzopyran-4-one,5,6,7-tris(acetyloxy)-2-[4-(acetyloxy)phenyl]-

4H-1-Benzopyran-4-one,5,6,7-tris(acetyloxy)-2-[4-(acetyloxy)phenyl]-


  • 中文别名:四乙酰基野黄芩素
  • 中文释义:四乙酰基野黄芩素
  • 英文别名:[4-(5,6,7-triacetyloxy-4-oxochromen-2-yl)phenyl] acetate;
    5,6,7,4'-tetraacetoxyflavone;
    4,5,6,7-tetra-O-acetylflavone;
    5,6,7,4'-Tetraacetoxy-flavon;
    Flavone,4',5,6,7-tetrahydroxy-,tetraacetate;
    4',5,6,7-Tetraacetoxyflavon;
    5,6,7,4'-tetra-O-acetoxyflavone;
    4',5,6,7-Tetrahydroxyflavone tetraacetate 
  • CAS No.:1180-46-7
  • 分子式:C23H18O10
  • 分子量:454.383
  • 精确分子量:454.09000
  • PSA:135.41000
  • InChI:InChI=1/C23H18O10/c1-11(24)29-16-7-5-15(6-8-16)18-9-17(28)21-19(33-18)10-20(30-12(2)25)22(31-13(3)26)23(21)32-14(4)27/h5-10H,1-4H3
  • 分子结构式:

物化性质

密度:
1.377g/cm3
沸点:
633.8ºC at 760mmHg
闪点:
274.2ºC
折射率:
1.578
蒸汽压:
5.72E-16mmHg at 25°C

安全信息

密度:
1.377g/cm3
沸点:
633.8ºC at 760mmHg
闪点:
274.2ºC
折射率:
1.578
蒸汽压:
5.72E-16mmHg at 25°C

海关数据

中国海关编码:2915390090

概述:
2915390090. 其他乙酸酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:5.5%. 普通关税:30.0%
申报要素:
品名, 成分含量, 用途
监管条件:
A.入境货物通关单B.出境货物通关单
检验检疫:
R.进口食品卫生监督检验S.出口食品卫生监督检验M.进口商品检验N.出口商品检验
摘要/Summary:
2915390090. esters of acetic acid. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:5.5%. General tariff:30.0%

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