Product Code: 1.9050
Neutronco
Sodium alginate
| Formula | (C6H7NaO6)n |
| Molecular weight ave. | ~ 198.11 |
| CAS number | 9005-38-3 |
| Density | 1.59 kg/m3 |
| Storage | Storage at +15 to +30 °C |
| SDS | available |
| Odour | odourless |
| Form | solid |
| color | white to yellowish brown |
| solubility | water forming a gel |
| Description | Conforms | ||
| Identification | Conforms | ||
| Solubility | Conforms | ||
| Appearance of solution | Conforms | ||
| Chloride | ≤ | 1.0 | % |
| Calcium | ≤ | 1/5 | % |
| Heavy metals | ≤ | 20 | ppm |
| Loss on drying | ≤ | 15 | % |
| Sulfated ash | 30 to 36 | % | |
| Precipitate formation with calcium chloride | Conforms | ||
| Precipitate formation with ammonium sulphate | Conforms | ||
| Water insoluble matter | ≤ | 2 | % |
| Assay | 90.8 to 106 | % |
Sodium alginate is the sodium salt of alginic acid, a polysaccharide found in brown algae. It is generally used as a stabilizer and thickener in the food industry.
🧪 Application
Sodium alginate can be used to prepare:
• Cationized casein-based polyelectrolyte complex for fragrance-controlled release applications.
• Aroma encapsulation or microcapsules for cosmetic applications.
