Products Description of Sodium alginate CAS#9005-38-3
Sodium alginate, with the formula (C₆H₇O₆Na)ₙ, is the sodium salt of alginic acid. As a natural polysaccharide biopolymer, it features rich raw material sources, non‑toxic nature, biodegradability and outstanding biocompatibility. Benefiting from these superior characteristics, it possesses great application potential in many sectors such as pharmaceuticals, food processing, textile production, packaging and advanced biomaterial development.
Sodium alginate Chemical Properties
| Melting point | 99 °C |
| density | 1.0 g/cm3(Temp: 25 °C) |
| FEMA | 2014 | ALGIN (LAMINARIA SPP. AND OTHER KELPS) |
| storage temp. | 2-8°C |
| solubility | Slowly soluble in water forming a viscous, colloidal solution, practically insoluble in ethanol (96 per cent). |
| form | powder |
| color | White to Off-white |
| PH | 6.0-8.0 (10mg/mL in H2O) |
| Odor | odorless |
| Water Solubility | Soluble in water. Insoluble in alcohol, chloroform and ether. |
| Sensitive | Hygroscopic |
| Merck | 14,241 |
| Stability: | Stable. Incompatible with strong acids, strong bases, strong oxidizing agents. |
| LogP | -2.88 |
| CAS DataBase Reference | 9005-38-3(CAS DataBase Reference) |
| EPA Substance Registry System | Sodium alginate (9005-38-3) |
