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- 08 Jul 2026
High Purity Sodium Alginate Powder CAS 9005-38-3 – Factory Direct Bulk Supply for Global B2B Buyers
Sodium alginate (CAS 9005-38-3), a natural polysaccharide extracted from brown seaweed, is one of the most versatile hydrocolloids widely demanded by food factories, pharmaceutical companies, textile printing mills, cosmetic labs and industrial chemical manufacturers worldwide. As a professional sodium alginate manufacturer with full production lines, we supply standardized and customized sodium alginate powder in food grade, pharmaceutical grade, cosmetic grade and textile industrial grade for B2B bulk buyers across Europe, Southeast Asia, the Middle East and North America.
If you are sourcing reliable sodium alginate with stable viscosity, complete compliance documents, competitive factory bulk prices and flexible logistics solutions, this guide covers all core concerns for ingredient procurement teams.
1. Four Main Grades of Bulk Sodium Alginate for Different Industrial Buyers
We classify sodium alginate by application scenarios to match your production formula requirements, with strict batch testing for every shipment.
1.1 Food Grade Sodium Alginate (E401)
Core functions: thickener, stabilizer, gelling agent, film-forming agent, water retention agent.Main buyers: dairy factories, meat processing plants, beverage brands, bakery manufacturers, molecular gastronomy labs, fruit & vegetable fresh-keeping factories.Compliance standards: FCC, GB1976, EU food additive standards, full COA provided per batch.Available viscosity range: 100cps–1200cps for spherification, jam stabilization and plant-based meat texture molding.
1.2 Cosmetic Grade Sodium Alginate
High-purity fine powder, low impurity, used for facial masks, gel creams, exfoliant formulations as thickening and moisturizing additives.
1.3 Textile & Industrial Grade Sodium Alginate
The top auxiliary for reactive dye printing, with clear pattern, no color bleeding and easy washing. Also applied in papermaking, welding electrode, agricultural seed coating and water treatment. Large bulk orders support extra cost discounts.
2. Key Documents B2B Buyers Require – All Fully Supported
We understand global manufacturers need complete qualification files for factory audits and product registration, and we provide all requested materials:
COA (Certificate of Analysis): Issued for every batch, including viscosity, gel strength, moisture, heavy metal and microbial test data.
Other certificates: ISO9001, Halal, Kosher, factory production audit reports, customs export documents.
3. B2B Sourcing Core Terms: MOQ, Price, Packing & Payment
3.1 MOQ & CIP Global Delivery Price
Our minimum order quantity is flexible to match small pilot production and mass bulk orders:
Pilot order MOQ: 25kg for sample testing
Standard bulk MOQ: 500kg–10000kg
We offer transparent CIP quotations for all major international airports, including Noi Bai Airport (Vietnam), Bangkok, Hamburg, Los Angeles and Rotterdam. All quotes separate raw material cost, freight and customs clearance auxiliary fees without hidden charges.
3.2 Standard & Customized Packing
Default export packing: 25kg food-grade kraft paper bags with inner PE liner;Custom options: 1kg/5kg small test drums, 1000kg jumbo bags for large industrial orders. All packages are moisture-proof, anti-extrusion and labeled with CAS No., grade, production batch and shelf life.
3.3 Flexible Payment Terms for Long-Term Partners
To support stable cooperation with global manufacturers, we offer multiple payment solutions:
T/T: 30% deposit before production, balance against copy of Bill of Lading
L/C at sight for large bulk orders above 10 tons
Negotiable credit terms for verified long-term cooperative clients after factory qualification audit
4. Why Choose Our Factory as Your Long-Term Sodium Alginate Supplier
Stable raw material supply: Self-owned seaweed processing base, independent extraction & purification workshop, no seasonal raw material shortage risk.
Consistent batch quality: Automated production line with real-time viscosity monitoring, minimal fluctuation between batches to avoid formula adjustment costs for your factory.
Customizable formula service: Adjust viscosity, particle fineness and gel strength according to your specific production process; support OEM neutral packing.
Fast after-sales & technical support: Professional formulating engineers provide free technical guidance for sodium alginate application in food, pharmacy and textile printing. Free samples (500g–2kg) available for your lab test before bulk order.
On-time shipment: Complete inventory of mainstream viscosity grades, lead time within 7–10 working days after deposit confirmation.
