Sodium dextran sulfate is a chemical compound, the sodium salt of the sulfuric acid ester of dextran. Dextran is a collective term for a branched polymer of glucose bound to alpha-6 glucans with a high molecular weight, a bacterial polyglucan synthesised by various bacterial species including Leuconostoc mesenteroides (a type of lactic acid bacteria), Streptococcus, Lactobacillus. It is produced by fermentation method from soils that have a lot of sucrose.

What it is used for and where
Cosmetics
Suspending agent. Non surfactant. Cosmetic or pharmaceutical suspensions are known to be thermodynamically unstable and it is therefore essential to include in the formulation a suspending agent capable of dispersing any sedimented particulates and reducing the rate of sedimentation. The presence of this agent increases the consistency of the suspension medium and exerts a protective colloidal action.
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CAS: 9011-18-1