3,9-二溴苯并蒽酮

3,9-二溴苯并蒽酮

3,9-dibromobenzo[b]phenalen-7-one

81-98-1

C17H8Br2O

388.05300

17.07000

5.57620

385.89400

棕色至绿色粉末

1.762

178.2ºC

255-256ºC

1.836g/cm3

535.5ºC at 760 mmHg

2914700090

S22-S24/25

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: