2,3,4-三甲氧基肉桂酸

2,3,4-三甲氧基肉桂酸

trans-2,3,4-Trimethoxycinnamic acid

33130-03-9

C12H14O5

238.23700

64.99000

1.81020

238.08400

淡黄色

Stable under normal temperatures and pressures.

149.6ºC

Store in a cool, dry place. Keep container closed when not in use.

172-174 °C

1.209 g/cm3

392.2ºC at 760 mmHg

2918990090

R36/37/38

S37/39-S26

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%