Colloidal Silicon Dioxide CAS 7631-86-9 Glidant and Anti-caking Agent
Product description
USP grade colloidal silicon dioxide CAS 7631-86-9 for pharmaceutical glidant and anti-caking. Surface area 190-250 m²/g.
Product Detail
Colloidal Silicon Dioxide (Aerosil) is used as a glidant, anti-caking agent, and adsorbent in pharmaceutical powders, tablets, and capsules. Shijiazhuang Yinghuan supplies high-purity colloidal silica USP/NF grade.
Specifications: Specific surface area: 190-250 m²/g, Loss on drying: ≤2.5%, pH (10% suspension): 4.0-6.0, Heavy metals: ≤30ppm, Assay (SiO2): ≥99.5%.
Improves powder flow and prevents caking. Available in 10 kg bags. Complete documentation for pharmaceutical use.