Chemical Product Library / Reference
Sodium alginate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Sodium alginate |
|---|---|
| English synonyms | Sodium alginate;Alginic acid sodium salt;Alginate |
| Chinese name | 海藻酸钠 |
| Chinese synonyms | 褐藻酸钠;海藻胶;藻酸钠 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 9005-38-3 |
| EINECS No. | Not provided |
| Molecular formula | (C6H7NaO6)n |
| Molecular weight | Not provided |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Viscosity (1% aqueous solution) according to grade; moisture ≤15.0%; ash 18.0–27.0%; pH (1% aqueous solution) 6.0–8.0
Performance characteristics
White to pale yellow powder, water-soluble polysaccharide, excellent thickening, gelling and film-forming properties
Application scenarios
Food thickener and stabilizer, pharmaceutical excipient, textile printing, papermaking, dental impression material