4-羟基-5-甲基-3(2H)-呋喃酮

4-羟基-5-甲基-3(2H)-呋喃酮

4-hydroxy-5-methyl-3-furanone

19322-27-1

C5H6O3

114.09900

46.53000

0.37520

114.03200

白色至淡黄色晶体粉末

97.5ºC

129-133 °C(lit.)

1.382 g/cm3

218.3ºC at 760 mmHg

2932190090

3

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: