6-溴-2-甲基色酮

6-溴-2-甲基色酮

6-bromo-2-methylchromen-4-one

30779-63-6

C10H7BrO2

239.06500

30.21000

2.86390

237.96300

1.605

143.3ºC

128-132ºC(lit.)

1.58g/cm3

313.3ºC at 760 mmHg

2914700090

3

品名, 成分含量, 用途, 丙酮报明包装

2914700090 其他酮及醌的卤化、磺化衍生物（包括硝化和亚硝化衍生物）. 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: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

2914700090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff: