4,4'-二氟二苯甲酮

4,4'-二氟二苯甲酮

bis(4-fluorophenyl)methanone

345-92-6

C13H8F2O

218.19900

17.07000

3.19580

218.05400

1.544

白色至灰白色固体

170-172°C/10mm

137°C (3 torr)

102-105 °C(lit.)

1.239g/cm3

Stable under normal temperatures and pressures.

Store in a cool, dry place. Keep container closed when not in use.

DJ0685000

3

S26-S37/39

I; II; III

Xi

R36/37/38

2914700090

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: