7-hydroxy-5-methoxy-2-phenylchromen-4-one
- 中文别名:7-羟基-5-甲氧基-2-苯基-色烯- 4-酮
- 中文释义:7-羟基-5-甲氧基-2-苯基-色烯- 4-酮
- 英文别名:7-hydroxy-5-methoxy-2-phenylchromen-4-one;
7-hydroxy-5-methoxy-2-phenyl-4H-chromen-4-one;
7-Hydroxy-5-methoxy-2-phenyl-chromen-4-on;
7-Hydroxy-5-methoxy-2-phenyl-chromen-4-one;
7-Hydroxy-5-methoxy-flavon;
5-O-Methylchrysin;
chrysin 5-methylether;
7-Hydroxy-5-methoxy-2-phenyl-chromen
- CAS No.:33554-47-1
- 分子式:C16H12O4
- 分子量:268.26400
- 精确分子量:268.07400
- PSA:59.67000
- InChI:The Key: JVEMWXSMSUNXSD-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.329g/cm3
- 沸点:
- 505ºC at 760 mmHg
- 闪点:
- 194.2ºC
- 折射率:
- 1.641
安全信息
- 密度:
- 1.329g/cm3
- 沸点:
- 505ºC at 760 mmHg
- 闪点:
- 194.2ºC
- 折射率:
- 1.641
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%