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China is the dominant global exporter of sodium alginate, accounting for the majority of international supply, while the United States, Germany, and Japan are the largest importers, collectively representing a significant share of global demand. Sodium alginate prices have remained relatively stable amid steady cross-border flows, with minor fluctuations tied to raw material (brown seaweed) availability and regulatory compliance in key markets. Recent trade data shows consistent export volumes from China and Chile, while emerging demand growth is observed in Southeast Asia and pharmaceutical-focused markets in India and South Korea.
Sodium alginate is a white to light yellow, odorless, fibrous or granular powder that is hygroscopic and readily soluble in water, forming viscous colloidal solutions; it decomposes rather than melts upon heating. It is a natural polysaccharide derived from brown seaweed, classified as a hydrophilic polymer and biopolymer. Sodium alginate serves primarily as a thickener, stabilizer, gelling agent, and film-forming excipient across multiple industries. Its key applications include food processing (e.g., dairy, plant-based alternatives, and confectionery), pharmaceuticals (e.g., controlled-release formulations and wound dressings), biomedical materials (e.g., hydrogels and 3D bioprinting scaffolds), and textile printing as a thickener for reactive dyes.
In brewing industry as auxiliary fining agent, foam stabilizer.
This chemical is included in Fine Chemicals. See more about what is Sodium Alginate and Sodium Alginate SDS information.
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