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Ammonium alginate occurs as white to yellowish brown filamentous, grainy, granular, or powdered forms.
Synonyms
Alginic acid, ammonium salt; ammonium polymannuronate; E404; Keltose.
Chemical Name and CAS Registry Number
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.
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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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