4-羟基-2,5-二甲基-3(2H)呋喃酮

4-羟基-2,5-二甲基-3(2H)呋喃酮

4-hydroxy-2,5-dimethylfuran-3-one

3658-77-3

C6H8O3

128.12600

46.53000

0.76370

128.04700

n20/D 1.439

白色至淡黄色晶体粉末

>230 °F

188 °C

73-77 °C(lit.)

1.049 g/mL at 25 °C

2-8°C

GHS07

警告

H302

LU3990000

3

S36-S24/25

Xn

R22

2932190090

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: