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ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate

更新时间:2025-08-28 16:48:07

ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate结构式
ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate结构式
品牌特惠专场
常用名 ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate 英文名 ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate
CAS号 213181-26-1 分子量 252.65000
密度 1.39g/cm3 沸点 390.8ºC at 760mmHg
分子式 C12H9ClO4 熔点 N/A
MSDS N/A 闪点 168.2ºC

 名称

英文名 ethyl 4-chloro-2-oxochromene-3-carboxylate
英文别名 更多

 物理化学性质

密度 1.39g/cm3
沸点 390.8ºC at 760mmHg
分子式 C12H9ClO4
分子量 252.65000
闪点 168.2ºC
精确质量 252.01900
PSA 56.51000
LogP 2.62310
蒸汽压 2.58E-06mmHg at 25°C
折射率 1.584

 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

ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate
4-chloro-2-oxo-2H-chromene-3-carboxylic acid ethyl ester
4-Chlor-2-oxo-2H-chromen-3-carbonsaeure-aethylester
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