CAS号:112945-52-5
品名:硅胶Silica,fumed
中文别名:二氧化硅;硅酐;氧化硅;气相二氧化硅;无定形二氧化硅;石英砂;
英文别名:Silica,fumed;Silica,Silicicanhydride,Silicondioxideamorphous;Silicondioxide;
分子式:O2Si
分子量:60.0843
精确质量:59.9668
Psa:34.14
RTECS号:VV7310000
MDL号:MFCD00011232
PubChem号:24848337
密度:2.3lb/cu.ftat 25°C (bulk density)(lit.)
沸点:2230ºC
熔点:&>1600°C
折射率:n20/D 1.46(lit.)
危险类别码:R37
WGK Germany:2
简介:SyntheticAmorphousSilicahasinterestingthickeningandthixotropicproperties,andanenormousexternalsurfacearea.Itisproducedbyavaporphasehydrolysisprocessusingchlorosilanesorsubstitutedsilanessuchas,silicontetrachlorideinaflameofhydrogenandoxygen.Thismaterialisformedandcollectedinadrystate.Thisproductcontainsnodetectablecrystallinesilica.
氧化物