![]() 7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯结构式
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常用名 | 7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯 | 英文名 | ETHYL 7-HYDROXY-4-OXO-4H-CHROMENE-2-CARBOXYLATE |
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CAS号 | 23866-72-0 | 分子量 | 234.20500 | |
密度 | 1.397g/cm3 | 沸点 | 408.6ºC at 760mmHg | |
分子式 | C12H10O5 | 熔点 | 222ºC | |
MSDS | N/A | 闪点 | 161.2ºC |
中文名 | 7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯 |
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英文名 | ethyl 7-hydroxy-4-oxochromene-2-carboxylate |
英文别名 | 更多 |
密度 | 1.397g/cm3 |
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沸点 | 408.6ºC at 760mmHg |
熔点 | 222ºC |
分子式 | C12H10O5 |
分子量 | 234.20500 |
闪点 | 161.2ºC |
精确质量 | 234.05300 |
PSA | 76.74000 |
LogP | 1.67530 |
蒸汽压 | 2.93E-07mmHg at 25°C |
折射率 | 1.598 |
储存条件 | 2-8°C, 干燥 |
危害码 (欧洲) | Xi: Irritant; |
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海关编码 | 2918990090 |
7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯上游产品 3 | |
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7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯下游产品 4 | |
海关编码 | 2918990090 |
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中文概述 | 2918990090. 其他含其他附加含氧基羧酸(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:13.0%. 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 | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
4H-1-Benzopyran-2-carboxylic acid,7-hydroxy-4-oxo-,ethyl ester |
2-carboethoxy-7-hydroxy-4-oxo-4H-1-benzopyran |
7-hydroxy-4-oxo-4H-chromene-2-carboxylic acid ethyl ester |
ethyl 7-hydroxy-4-oxochromen-2-carboxylate |
Ethyl 7-hydroxy-4-oxo-4H-chromene-2-carboxylate |
ethyl 7hydroxychromone-2-carboxylate |
ethyl 7-hydroxy-4-oxo-4H-1-benzopyran-2-carboxylate |