Ammonium Heptamolybdate is a white, crystalline powder, soluble in water. It is a high purity compound and can be used in gravimetric precipitation analysis, particularly Phosphate, Silicate, Arsenate, and Lead; therefore, ACS Reagent specifications are particularly stringent in respect to these trace anions.

When heated, Ammonium Heptamolybdate will begin to release its waters-of-hydration (above 90°C) and decompose (above 190°C) into Ammonia and other Molybdate derivatives.

Synonyms include Ammonium Molybdate, Ammonium Molybdate Tetrahydrate, Ammonium Paramolybdate, and colloquially "AHM".

Please refer to the Specification Sheet for more information.

Download Specification Sheet (PDF)

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