4,5-二甲基-2-呋喃甲酸

4,5-二甲基-2-呋喃甲酸

4,5-dimethylfuran-2-carboxylic acid

89639-83-8

C7H8O3

140.13700

50.44000

1.59460

140.04700

1.51

107.8ºC

146-148°C

1.194g/cm3

254.6ºC at 760 mmHg

2932190090

R36/37/38

S26; S36/37/39

品名, 成分含量, 用途

2932190090 其他结构上有非稠合呋喃环化合物. 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:20.0%

2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

2932190090. Other Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure. General tariff: