3-hydroxy-5,7-bis(phenylmethoxy)-2-(4-phenylmethoxyphenyl)chromen-4-one
- 中文别名:5,7-二-(苄氧基)-2-(4-(苄氧基)苯基)-3-羟基-4H-苯并吡喃-4-酮
- 英文别名:3-hydroxy-5,7-bis(phenylmethoxy)-2-(4-phenylmethoxyphenyl)chromen-4-one;
5,7,4'-tri-O-benzylkaempferol;
4',5,7-tri-O-benzylkaempferol
- CAS No.:23405-70-1
- 分子式:C36H28O6
- 分子量:556.60400
- 精确分子量:556.18900
- PSA:78.13000
- InChI:The Key: BBCSDQWALJWPNC-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.299g/cm3
- 沸点:
- 756.2ºC at 760 mmHg
- 闪点:
- 244ºC
- 折射率:
- 1.666
- 蒸汽压:
- 4.92E-24mmHg at 25°C
安全信息
- 密度:
- 1.299g/cm3
- 沸点:
- 756.2ºC at 760 mmHg
- 闪点:
- 244ºC
- 折射率:
- 1.666
- 蒸汽压:
- 4.92E-24mmHg 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%