4,4'-二溴二苯甲酮

4,4'-二溴二苯甲酮

4,4'-Dibromobenzophenone

3988-03-2

C13H8Br2O

340.01000

17.07000

4.44260

337.89400

白色至奶油色白色晶体粉末

1.633

121ºC

171-174 °C(lit.)

1.7 g/cm3

395.6ºC at 760 mmHg

2914700090

UN 2811

3

R36/37/38

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: