4H-1-Benzopyran-4-one,5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7,8-trimethoxy-
- 中文别名:栀子黄素 D
- 英文别名:5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7,8-trimethoxychromen-4-one;
5,3'-Dihydroxy-6,7,8,4'-tetramethoxyflavone;
3',5-dihydroxy-4',6,7,8-tetramethoxyflavone;
5,4'-dihydroxy-6,7,8,3'-tetramethoxyflavone;
Gardenin D;
Flavone,3',5-dihydroxy-4',6,7,8-tetramethoxy
- CAS No.:29202-00-4
- 分子式:C19H18O8
- 分子量:0
- 精确分子量:374.10000
- PSA:107.59000
- InChI:The Key: DQMSOZCDDAULPH-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.375g/cm3
- 沸点:
- 631.6ºC at 760 mmHg
- 闪点:
- 228.8ºC
- 折射率:
- 1.612
- 蒸汽压:
- 1.51E-16mmHg at 25°C
安全信息
- 密度:
- 1.375g/cm3
- 沸点:
- 631.6ºC at 760 mmHg
- 闪点:
- 228.8ºC
- 折射率:
- 1.612
- 蒸汽压:
- 1.51E-16mmHg at 25°C
海关数据
中国海关编码:2914509090
- 概述:
- 2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 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, 丙酮报明包装
- 摘要/Summary:
- HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%