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5,6,7,8-tetramethoxy-2-phenylchromen-4-one

更新时间:2025-08-26 19:39:00

5,6,7,8-tetramethoxy-2-phenylchromen-4-one结构式
5,6,7,8-tetramethoxy-2-phenylchromen-4-one结构式
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常用名 5,6,7,8-tetramethoxy-2-phenylchromen-4-one 英文名 5,6,7,8-tetramethoxy-2-phenylchromen-4-one
CAS号 3162-43-4 分子量 342.34300
密度 1.243g/cm3 沸点 536.9ºC at 760mmHg
分子式 C19H18O6 熔点 N/A
MSDS N/A 闪点 237.5ºC

 名称

英文名 5,6,7,8-tetramethoxy-2-phenylchromen-4-one
英文别名 更多

 物理化学性质

密度 1.243g/cm3
沸点 536.9ºC at 760mmHg
分子式 C19H18O6
分子量 342.34300
闪点 237.5ºC
精确质量 342.11000
PSA 67.13000
LogP 3.49440
折射率 1.574

 安全信息

海关编码 2914509090

 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%

 英文别名

5,6,7,8-tetramethoxyflavone
5,6,7,8-tetramethoxy-2-phenyl-chromen-4-one
Alnetin-methylaether
5,6,7,8-Tetramethoxyflavon
4H-1-Benzopyran-4-one,5,6,7,8-tetramethoxy-2-phenyl
5,6,7,8-Tetramethoxy-2-phenyl-chromen-4-on
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