Description

Calcium Silicate (CAS 1344-95-2, E552) is a food-grade anti-caking agent widely used in food, beverage and supplement applications to improve powder flowability and prevent caking. It also functions as a carrier and filtering aid, valued for its high absorption capacity and stability.

Physical & Chemical Properties

• CAS number: 1344-95-2
• E number: E552
• Molecular formula: CaSiO3 (hydrated calcium silicate grades vary)
• Appearance: white to off-white fine powder
• Function: anti-caking agent, carrier, filtering aid
• Solubility: practically insoluble in water
• Grades: food grade and technical grade

Key Benefits for Food & Supplement Applications

• Anti-caking: keeps powders free-flowing and prevents clumping
• High absorption: excellent oil and moisture absorption capacity
• Carrier function: suitable as a carrier for flavors, colors and active ingredients
• Food-grade safety: compliant with food additive regulations (E552)
• Stable: chemically stable across a wide range of conditions
• Clean label: widely accepted in food processing worldwide

Main Applications

• Food powders: spices, seasonings, dry mixes and baking powders
• Dietary supplements: tablet and powder supplement formulations
• Beverage powders: instant drinks and functional beverage mixes
• Flavor & fragrance: carrier for liquid and powder flavors
• Filtration aid: beverage clarification and processing aid

Why Choose Our Bulk Calcium Silicate?

• GMP manufacturing: consistent quality from batch to batch
• Complete documentation: COA, SDS and heavy metal reports on request
• Food-grade quality: suitable for food and supplement use
• Flexible supply: from R&D samples to production quantities
• Export experience: reliable shipping worldwide

Recommended Usage

Typical use level as an anti-caking agent: 0.5%–2% in finished powder products. Optimize per application and regulatory limits of the target market.

FAQ About Wholesale Calcium Silicate

What is the CAS number of Calcium Silicate?

CAS 1344-95-2 (E552).

What is Calcium Silicate used for in food?

It is used as an anti-caking agent to keep powders free-flowing, and as a carrier and filtration aid.

Is it food grade?

Yes — we supply food-grade Calcium Silicate compliant with E552 specifications.

Is it water soluble?

No — it is practically insoluble in water.

What is the typical dosage?

Generally 0.5%–2% in finished products, depending on application and local regulations.

Can it be used as a carrier?

Yes — it has high absorption capacity and is often used as a carrier for flavors and actives.

Do you provide COA and SDS?

Yes — COA, SDS and heavy metal test reports are available on request.

Can I get a sample?

Yes — trial samples are available; terms negotiable with bulk orders.

What is the shelf life?

Typically 24 months when stored sealed in a dry place.

What are your MOQ terms?

Flexible MOQ, discussed on inquiry.

Start Your Bulk Order

Contact our sales team for spec sheets, samples and bulk pricing.

Read more: B2B guide — Calcium Silicate (Food Grade, E552) applications, benefits & EU compliance