8668. Sodium Polystyrene Sulfonate

Nomenclature

CAS number: 9080-79-9
Ethenylbenzenesulfonic acid homopolymer sodium salt; poly(styrenesulfonic acid) sodium salt; Elutit-Natrium (Felgentrger); Kayexalate (Sanofi-Aventis); K-Exit (Omega); Kionex (Paddock); Resonium A (Sanofi-Synthelabo); SPS (Carolina).

Description and references

Sulfonated cation exchange resin charged with sodium. Viscosity study: J. L. M. Ganter et al., Polymer 33, 113 (1992). In vivo study in treatment of lithium intoxication: J. G. Linakis et al., Pharmacol. Toxicol. 65, 387 (1989). Review of clinical use in hyperkalemia: I. Meyer, ANNA J. 20, 93-95 (1993).

Chemical structure

Properties

Fine cream to light brown powder. Readily sol in water.

Use

Superplasticizer in concrete; ion exchange membrane in fuel cell applications.

Therapeutic Category

Ion-exchange resin (potassium). In treatment of hyperkalemia.

Therapeutic Category (Veterinary)

Ion-exchange resin (potassium). In treatment of hyperkalemia.

Keywords

Ion-exchange Resin