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3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one

更新时间:2025-08-26 12:09:36

3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one结构式
3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one结构式
委托求购
常用名 3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one 英文名 3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one
CAS号 2047-54-3 分子量 330.33200
密度 1.32g/cm3 沸点 509.5ºC at 760 mmHg
分子式 C18H18O6 熔点 N/A
MSDS N/A 闪点 185ºC

 名称

英文名 3-hydroxy-2,3,7-trimethoxy-2-phenylchromen-4-one
英文别名 更多

 物理化学性质

密度 1.32g/cm3
沸点 509.5ºC at 760 mmHg
分子式 C18H18O6
分子量 330.33200
闪点 185ºC
精确质量 330.11000
PSA 74.22000
LogP 2.10470
蒸汽压 3.31E-11mmHg at 25°C
折射率 1.606

 安全信息

海关编码 2932999099

 合成线路

~90%

3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one结构式

3-hydroxy-2,3,7...

2047-54-3

文献:Kumar; Singh Synthetic Communications, 1992 , vol. 22, # 9 p. 1333 - 1337

 上下游产品

上游产品  2

下游产品  0

 海关

海关编码 2932999099
中文概述 2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 英文别名

2,7-Dimethoxy-3,4-flavandion-methyl-3-halbketal
3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one
2,7-Dimethoxy-3,4-flavandion-<methyl-3-hemiacetal>
3-Hydroxy-2,3,7-trimethoxy-2-phenyl-2,3-dihydro-4H-chromen-4-one
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