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1-Cyclopentene-1-carboxylicacid, 2-methyl-3-oxo-

更新时间:2025-09-21 18:14:49

1-Cyclopentene-1-carboxylicacid, 2-methyl-3-oxo-结构式
1-Cyclopentene-1-carboxylicacid, 2-methyl-3-oxo-结构式
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常用名 1-Cyclopentene-1-carboxylicacid, 2-methyl-3-oxo- 英文名 1-Cyclopentene-1-carboxylicacid, 2-methyl-3-oxo-
CAS号 1909-79-1 分子量 140.13700
密度 1.312g/cm3 沸点 278.9ºC at 760mmHg
分子式 C7H8O3 熔点 N/A
MSDS N/A 闪点 136.7ºC

 名称

英文名 2-methyl-3-oxocyclopentene-1-carboxylic acid
英文别名 更多

 物理化学性质

密度 1.312g/cm3
沸点 278.9ºC at 760mmHg
分子式 C7H8O3
分子量 140.13700
闪点 136.7ºC
精确质量 140.04700
PSA 54.37000
LogP 0.75040
蒸汽压 0.00111mmHg at 25°C
折射率 1.542

 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%

 英文别名

2-methyl-3-oxo-cyclopent-1-enecarboxylic acid
2-methyl-3-oxocyclopent-1-ene-1-carboxylic acid
2-methyl-2-cyclopenten-1-one-3-carboxylic acid
2-Methyl-3-oxo-cyclopent-1-encarbonsaeure
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