3,4,5-三甲氧基苯甲酰乙酸乙酯

3,4,5-三甲氧基苯甲酰乙酸乙酯

ethyl 3-oxo-3-(3,4,5-trimethoxyphenyl)propanoate

3044-56-2

C14H18O6

282.28900

71.06000

1.84830

282.11000

白色结晶粉末

1.497

163.8ºC

88-91 °C(lit.)

1.147 g/cm3

374.9ºC at 760 mmHg

2918990090

3

S24/25

Xi

HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

品名, 成分含量, 用途

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%

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%