Calcium alginate

Calcium alginate (CAS 9005-35-0), also sold as Calginate and approved as E404, is a natural polysaccharide salt derived from brown seaweed.

Where is Calcium alginate used?

• Food manufacturing: structuring reformed meat and seafood, controlling moisture release, stabilizing emulsions in dressings and dairy systems
• Pharmaceutical: wound dressings and controlled-release tablet matrices
• Biotechnology: encapsulation medium for live cells, enzymes and probiotics in fermentation and bioprocessing
• Textile and paper processing: thickener for print pastes and surface sizing agents
• Its gel-forming behavior regulates active ingredient delivery in medical applications.

Commercial specifications

• White to cream-colored powder in varying particle sizes to suit dissolution requirements
• Food-grade material to FCC and E404 specifications
• Pharmaceutical-grade product meets USP and Ph. Eur. standards