3-(2,3,5,6-四甲基苯甲酰)丙烯酸

3-(2,3,5,6-四甲基苯甲酰)丙烯酸

4-oxo-4-(2,3,5,6-tetramethylphenyl)but-2-enoic acid

22659-83-2

C14H16O3

232.27500

54.37000

2.74370

232.11000

1.554

234.5ºC

1.52E-08mmHg at 25°C

1.12g/cm3

440.7ºC at 760 mmHg

2918300090

R36/37/38

S26-S36

品名, 成分含量, 用途

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%

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%

2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: