3-氰基-6,7-二甲基色酮

3-氰基-6,7-二甲基色酮

6,7-dimethyl-4-oxochromene-3-carbonitrile

94978-86-6

C12H9NO2

199.20500

54.00000

2.28148

199.06300

1.594

151.8ºC

206-209ºC(lit.)

1.25g/cm3

347.8ºC at 760mmHg

2926909090

R36/37/38

S26; S36

Xi

品名, 成分含量, 用途

2926909090 其他腈基化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%

HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

2926909090. Other Nitrile-function compounds. General tariff:6.5%