5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE

5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE名称

[ CAS 号 ]:
26213-83-2

[ 英文名 ]:
5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE

[英文别名 ]:

2-methyl-5,7-dimethoxychromone
2-Methyl-5,7-dimethoxy-chromon
5,7-Dimethoxy-2-methyl-chromon
2-(ethoxymethyl)-5,7-dimethoxy-4H-chromen-4-one
5,7-dimethoxy-2-methylchromone
5,7-Dimethoxy-2-methyl-chromen-4-one
5,7-Dimethoxy-2-methyl-chromen-4-on

5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE物理化学性质

[ 密度 ]:
1.202g/cm3

[ 沸点 ]:
378.9ºC at 760 mmHg

[ 分子式 ]:
C₁₂H₁₂O₄

[ 分子量 ]:
220.22100

[ 闪点 ]:
170.4ºC

[ 精确质量 ]:
220.07400

[ PSA ]:
48.67000

[ LogP ]:
2.11860

[ 蒸汽压 ]:
6.07E-06mmHg at 25°C

[ 折射率 ]:
1.544

5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE安全信息

[ 海关编码 ]:
2914509090

5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE合成路线

详细合成路线

5,7-DIMETHOXY-2-METHYL-CHROMEN-4-ONE海关

[ 海关编码 ]: 2914509090

[ 中文概述 ]:
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

[ 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%