Fumed Silica

FUMED SILICA Fumed silica (CAS number 112945-52-5), also known as pyrogenic silica because it is produced in a flame, consists of microscopic droplets of amorphous silica fused into branched, chainlike, three-dimensional secondary particles which then agglomerate into tertiary particles. Synonyms Pyrogenic silica; XYSIL; Aerosil; Cab-O-Sil; Cabosil; silicon dioxide amorphous, synthetic amorphous silica; fumed SiO2;...

Is fumed silica dangerous?

The general answer is “no”, fumed silica is not a dangerous material. Fumed silica is an non-toxic non-harmful material. It is not combustible nor explosive. In fact fumed silica has been applied in cosmetic, food and drugs for years. Due to its strong hygroscopicity(absorbing moisture), it may caused dry skin when directly contacted with...

Fumed silica and silica fume

Fumed silica and silica fumed are two different terms for two substance. They are both silica dioxide. On some occasions people confused with them. They have different derivations, technical characteristics, and applications, then the price is different. Fumed silica Fumed silica, also known as pyrogenic silica because it is produced in a flame, consists...