ethyl 7-methoxy-4-oxochromene-2-carboxylate
- 中文别名：ethyl 7-methoxy-4-oxochromene-2-carboxylate
- 中文释义：ethyl 7-methoxy-4-oxochromene-2-carboxylate
- 英文别名：ethyl 7-methoxy-4-oxochromene-2-carboxylate;
ethyl 7-methoxy-4-oxo-4H-chromene-2-carboxylate;
Ethyl 7-methoxy-4-oxo-4H-1-benzopyran-2-carboxylate;
ethyl 7-methoxy-4-oxo-4H-chromen-2-carboxylate;
7-Methoxy-4-oxo-4H-chromen-2-carbonsaeure-aethylester;
4H-1-Benzopyran-2-carboxylic acid,7-methoxy-4-oxo-,ethyl ester;
ETHYL 7-METHOXY-4-OXO-CHROMENE-2-CARBOXYLATE;
7-methoxy-4-oxo-4H-chromene-2-carboxylic acid ethyl ester
- CAS No.：38322-74-6
- 分子式：
C13H12O5
- 分子量：248.23100
- 精确分子量：248.06800
- PSA：65.74000
- InChI：The Key: QBQCROLDTZVZHW-UHFFFAOYSA-N
- 分子结构式：
物化性质
- 密度：
- 1.284g/cm3
- 沸点：
- 381.5ºC at 760 mmHg
- 闪点：
- 212ºC
- 折射率：
- 1.555
安全信息
- 密度：
- 1.284g/cm3
- 沸点：
- 381.5ºC at 760 mmHg
- 闪点：
- 212ºC
- 折射率：
- 1.555
海关数据
中国海关编码：2918990090
- 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
- 摘要/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%
