2,2,4,4,6,6-六甲基-8,8-二苯基环四硅氧烷

2,2,4,4,6,6-六甲基-8,8-二苯基环四硅氧烷

2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

1693-44-3

C18H28O4Si4

420.75500

36.92000

3.42840

420.10600

1.513

146ºC

7.1E-05mmHg at 25°C

1.06g/cm3

353.9ºC at 760mmHg

2916399090

品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装

2916399090 其他芳香一元羧酸. 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%

2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: