4H-1-Benzopyran-4-one, 6-hydroxy-7-methoxy-3-(4-methoxyphenyl)-

970-48-9

C17H14O5

298.29000

68.90000

3.18280

298.08400

246-247 °C

1.321±0.06 g/cm3(20 °C , 760mmHg)

516.0±50.0 °C (760 mmHg)

2914509090

品名, 成分含量, 用途, 丙酮报明包装

2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%

HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%