Sodium Alginate CAS 9005-38-3
Food Additives 2025-03-02
Sodium alginate is mainly composed of the sodium salt of alginic acid. It is a kind of polysaccharide biopolymer. It has a wide range of sources, non-toxic, easy to degrade, and easy to be biocompatible. Therefore, it is used in medicine, food, packaging, Various industries such as the textile industry and biological materials have great application value.
| Attribute | Details |
|---|---|
| Chemical Name | Sodium Alginate |
| CAS Number | Varies (multiple CAS numbers may exist for different forms or grades) |
| Formula | (C6H7NaO6)x (variable polymer) |
| Molecular Weight | Varies (dependent on polymerization degree) |
| Appearance | White to light yellow powder or granular |
| Solubility | Soluble in water, forming a viscous solution |
| Applications | Used as a stabilizer, thickener, and emulsifier in food, dairy products, pharmaceuticals, and cosmetics |
| Functional Properties | Forms gels with divalent cations like calcium, enhances texture, prevents ice crystal formation |
| pH Range | Generally neutral (pH 7), but can be adjusted |
| Storage Conditions | Store in a cool, dry place, away from direct sunlight and incompatible materials |
| Safety Information | Generally recognized as safe for intended uses; follow safety data sheet (SDS) guidelines for handling. |
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