四(2-羟基乙基)原硅酸溶液

四(2-羟基乙基)原硅酸溶液

tetrakis(2-hydroxyethyl) silicate

17622-94-5

C8H20O8Si

272.32500

117.84000

-2.54240

272.09300

n20/D 1.44

170.1ºC

1.48E-06mmHg at 25°C

1.285g/cm3

357.7ºC at 760mmHg

2920909090

R22; R36/37/38; R62; R63

Xn

品名, 成分含量, 用途

2920909090 其他无机酸酯（不包括卤化氢的酯）（包括其盐及它们的卤化，磺化，硝化和亚硝化衍生物）。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%

2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%