3,4-二甲氧酞酸

3,4-二甲氧酞酸

3,4-dimethoxyphthalic acid

518-90-1

C10H10O6

226.18300

93.06000

1.10020

226.04800

1.572

157.8ºC

1.391g/cm3

396.2ºC at 760mmHg

2918990090

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%