Calcium alginate
Calcium alginate is a water-insoluble, gelatinous, cream-coloured substance that can be created through the addition of aqueous calcium chloride to aqueous sodium alginate. Calcium alginate is also used for entrapment of enzymes and forming artificial seeds in plant tissue culture.
| Names | |
|---|---|
| IUPAC name
Calcium β-D-mannopyranuronosyl-(1→4)- α-L-gulopyranuronosyl-(1→4)- α-L-gulopyranuronate | |
| Other names
E404 | |
| Identifiers | |
| ChemSpider | |
| ECHA InfoCard | 100.124.785 |
| E number | E404 (thickeners, ...) |
| UNII | |
CompTox Dashboard (EPA) |
|
| Properties | |
| (C12H14CaO12)n | |
| Appearance | Solid |
| Pharmacology | |
| B02BC08 (WHO) | |
| Hazards | |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
>15g/kg |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
"Alginate" is usually the salts of alginic acid, but it can also refer to derivatives of alginic acid and alginic acid itself; in some publications the term "algin" is used instead of alginate. Alginate is present in the cell walls of brown algae, as the calcium, magnesium and sodium salts of alginic acid.
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