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%