英语词典化工词典

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

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


  • 中文别名:[7-乙酰氧基-2-(4-乙酰氧基苯基)-4-氧代苯并吡喃-5-基]乙酸酯
  • 英文别名:[4-(5,7-diacetyloxy-4-oxochromen-2-yl)phenyl] acetate;
    5,7,4'-tri-O-acetylapigenin;
    FLAVONE,4',5,7-TRIHYDROXY-,TRIACETATE;
    Apigenin acetate;
    UNII-6LQX84KDOB;
    4',5,7-tri-O-acetylapigenin;
    4',5,7-Triacetoxy flavone;
    Apigenin triacetate;
    5,7,4'-O-triacetylapigenin;
    Triacetyl apigenin 
  • CAS No.:3316-46-9
  • 分子式:C21H16O8
  • 分子量:348.37
  • 精确分子量:396.08500
  • PSA:109.11000
  • InChI:The Key: IVXFOQQPPONQTB-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.356g/cm3
沸点:
569.5ºC at 760mmHg
闪点:
249.6ºC
折射率:
1.587

安全信息

密度:
1.356g/cm3
沸点:
569.5ºC at 760mmHg
闪点:
249.6ºC
折射率:
1.587

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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