
Silicon Dioxide (SiO₂), commonly known as Silica, is a highly versatile inorganic compound widely used in food, pharmaceutical, nutraceutical, cosmetics, and industrial applications. It appears as a fine white powder and is valued for its anti-caking, flow-enhancing, and stabilizing properties.
As a trusted Silicon Dioxide manufacturers and exporter from India, we supply high-purity food-grade, pharma-grade, and industrial-grade silica powder suitable for global markets.
General Specification
| Parameter | Specification | Results |
|---|---|---|
| Description | White fine powder, odorless | White fine powder, odorless |
| Identification | Positive for Silica | Positive |
| Assay (SiO₂) | NLT 99.0% | 99.40% |
| Loss on Drying | NMT 5.0% | 2.20% |
| pH (5% dispersion) | 4.0 – 8.0 | 6.30 |
| Heavy Metals | Within permissible limits | Within limits |
| Bulk Density | As per grade | As per grade |
Notes: * For more detailed specification and technical data please Contact Us.
Technical Specification
| Parameter | Details |
|---|---|
| Product Name | Silicon Dioxide |
| Other Names | Silica, Colloidal Silica |
| Chemical Formula | SiO₂ |
| Molecular Weight | 60.08 g/mol |
| CAS Number | 7631-86-9 |
| HS Code | 281122 |
| Appearance | White fine powder |
| Odor | Odorless |
| Solubility | Insoluble in water |
| Nature | Inorganic compound |
Available Grades
We manufacture and supply:
- Food Grade Silicon Dioxide (E551)
- Colloidal Silicon Dioxide
- Precipitated Silica
- Fumed Silica (High Purity)
- Industrial Grade Silica Powder
Applications
Silicon Dioxide is widely used in:
Food Industry
- Anti-caking agent (E551)
- Powder flow improver
- Spice & seasoning stabilization
Pharmaceutical Industry
- Tablet glidant
- Capsule flow agent
- Excipient in formulations
Cosmetics Industry
- Thickening agent
- Oil absorber
- Texture enhancer
Industrial Applications
- Rubber & plastics filler
- Paints & coatings
- Adhesives & sealants
- Electronics & specialty chemicals
Advantages
- Excellent anti-caking properties
- Improves powder flowability
- High chemical stability
- Suitable for sensitive formulations
- Wide application versatility
Packaging Details
Available in:
- 25 kg HDPE bags with inner liner
- Customized bulk packaging (jumbo bags)
Storage Conditions
- Store in a cool, dry, well-ventilated area
- Keep container tightly closed
- Protect from moisture contamination
Handling Precautions
- Avoid inhalation of fine dust
- Use protective mask and gloves
- Prevent contact with eyes
- Ensure proper ventilation
Why Choose Us
- Trusted Silicon Dioxide manufacturers & exporter from India
- High purity food, pharma & industrial grades
- Competitive bulk pricing
- Global export capability
- COA, MSDS & technical support
- Reliable packaging & timely delivery
FAQs
What is Silicon Dioxide used for?
Silicon Dioxide is used as an anti-caking agent, stabilizer, excipient, and filler in food, pharma, cosmetics, and industrial applications.
Is Silicon Dioxide safe for food use?
Yes, food-grade Silicon Dioxide (E551) is approved and widely used as a safe anti-caking agent.
What is the difference between fumed and precipitated silica?
- Fumed Silica → Higher purity, very fine particles
- Precipitated Silica → Used in rubber, industrial applications
Do you supply pharma-grade Silicon Dioxide?
Yes, we supply IP / BP / USP grade silica for pharmaceutical use.
Is Silicon Dioxide soluble in water?
No, it is insoluble in water, but disperses well in formulations.
Do you export Silicon Dioxide in bulk?
Yes, we are a bulk exporter of silica powder from India with global shipping support.
What packaging options are available?
We offer 25 kg bags and jumbo bulk packaging.
How should Silicon Dioxide be stored?
Store in a dry, sealed container, away from moisture.
What industries use Silicon Dioxide?
- Food
- Pharma
- Cosmetics
- Rubber & plastics
- Paints & coatings

