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4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone

更新时间:2025-09-21 22:44:24

4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone结构式
4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone结构式
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常用名 4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone 英文名 4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone
CAS号 19040-71-2 分子量 226.61300
密度 1.569g/cm3 沸点 451.7ºC at 760mmHg
分子式 C10H7ClO4 熔点 N/A
MSDS N/A 闪点 227ºC

 名称

英文名 4-(chloromethyl)-7,8-dihydroxychromen-2-one
英文别名 更多

 物理化学性质

密度 1.569g/cm3
沸点 451.7ºC at 760mmHg
分子式 C10H7ClO4
分子量 226.61300
闪点 227ºC
精确质量 226.00300
PSA 70.67000
LogP 1.94300
蒸汽压 8.92E-09mmHg at 25°C
折射率 1.656

 安全信息

海关编码 2932209090

 海关

海关编码 2932209090
中文概述 2932209090. 其他内酯. 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 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 英文别名

4-(chloromethyl)-5,7-dihydroxy-2H-chromen-2-one
4-chloromethyl-7,8-dihydroxycoumarin
BB_NC-2140
4-chloromethyldaphnetin
4-(Chloromethyl)-7,8-dihydroxy-2-benzopyrone
4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one
4-chloromethyl-7,8-dihydroxy-chromen-2-one
4-(chloromethyl)-7,8-dihydroxy-2H-chromen-2-one
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