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Pharmaceutical-grade purity compliant with USP <857>, EP 2.10, and JP XVII standards.
Highly consistent particle size distribution (primary particle size: ~20 nm) ensuring reproducible rheology control.
Low residual sulfate and heavy metal content, meeting stringent ICH Q3D elemental impurity requirements.
Free-flowing, non-agglomerated fumed silica powder optimized for gentle incorporation into dry blends.
Batch-to-batch consistency certified via comprehensive QC testing including BET surface area, DBP absorption, and pH.
Anti-caking agent in direct compression tablet formulations.
Rheology modifier in liquid oral suspensions and topical gels.
Flow aid for low-dose active pharmaceutical ingredients (APIs) in high-potency solid dosage forms.
Stabilizer in sterile parenteral suspensions and lyophilized formulations.
Processing aid in inhalation powder formulations to improve aerosol dispersion efficiency.
| Chemical Type | Synthetic amorphous silicon dioxide (SiO₂) |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, fine particulate powder |
| BET Surface Area | 190–210 m²/g |
| DBP Absorption | 150–170 mL/100 g |
| pH (4% aqueous suspension) | 3.6–4.2 |
| Loss on Drying (105 °C, 2 h) | ≤1.5% |
| Sulfate (SO₄²⁻) | ≤50 ppm |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
