四溴-1,4-苯醌

四溴-1,4-苯醌

Tetrabromo-1,4-benzoquinone

488-48-2

C6Br4O2

423.67900

34.14000

3.14100

419.66300

黄色结晶粉末

1.806

120ºC

8.54E-05mmHg at 25°C

Amber Vial, -20ºC Freezer

292-294 °C(lit.)

3.127g/cm3

340.5ºC at 760 mmHg

2914700090

3

R36/37/38

S26-S37/39

DK6772500

Xi

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: