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2-benzylidene-1,3-dioxoindene-5-carboxylic acid

更新时间:2025-08-25 18:26:00

2-benzylidene-1,3-dioxoindene-5-carboxylic acid结构式
2-benzylidene-1,3-dioxoindene-5-carboxylic acid结构式
品牌特惠专场
常用名 2-benzylidene-1,3-dioxoindene-5-carboxylic acid 英文名 2-benzylidene-1,3-dioxoindene-5-carboxylic acid
CAS号 40462-12-2 分子量 278.25900
密度 1.45g/cm3 沸点 564ºC at 760 mmHg
分子式 C17H10O4 熔点 N/A
MSDS N/A 闪点 308.9ºC

 名称

英文名 2-benzylidene-1,3-dioxoindene-5-carboxylic acid

 物理化学性质

密度 1.45g/cm3
沸点 564ºC at 760 mmHg
分子式 C17H10O4
分子量 278.25900
闪点 308.9ºC
精确质量 278.05800
PSA 71.44000
LogP 2.84740
InChIKey KAAZONMQZCIBTC-ZSOIEALJSA-N
SMILES O=C(O)c1ccc2c(c1)C(=O)C(=Cc1ccccc1)C2=O
折射率 1.726

 安全信息

海关编码 2918300090

 海关

海关编码 2918300090
中文概述 2918300090 其他含醛基或酮基不含其他含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素 品名, 成分含量, 用途
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%
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