Ammonium Alginate

Ammonium Alginate

Ammonium alginate occurs as white to yellowish brown filamentous, grainy, granular, or powdered forms.


Alginic acid, ammonium salt; ammonium polymannuronate; E404; Keltose.

Chemical Name and CAS Registry Number

Ammonium Alginate

Ammonium alginate [9005-34-9]

Empirical Formula and Molecular Weight

(C6H11NO6)n 193.16 (calculated) 217 (actual, average) Ammonium alginate is the ammonium salt of alginic acid.

Functional Category

Diluent; emulsifying agent; film-forming agent; humectant; stabilizing agent; thickening agent.

Applications in Pharmaceutical Formulation or Technology

Ammonium alginate is widely used in foods as a stabilizer, thickener and emulsifier. It is also used in pharmaceutical preparations as a color-diluent, emulsifier, film-former, and humectant.


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