5-甲基呋喃-2-硼酸

5-甲基呋喃-2-硼酸

5-Methylfuran-2-boronic acid

62306-79-0

C5H7BO3

125.91800

53.60000

-0.73220

126.04900

白色至黄色粉末

1.489

113.684ºC

0-6ºC

72-77 °C(lit.)

1.197 g/cm3

264.365ºC at 760 mmHg

2932190090

3

R36/37/38

S22-S24/25

Xi

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: