INTRODUCTION
Ammonium dimolybdate commonly known as ADM, is an inorganic compound. It is a white, water-soluble solid and serves as an intermediate in producing molybdenum compounds from its ores.
MANUFACTURE
It is produced by roasting molybdenum ore to obtain its trioxide, which is then leached with ammonium hydroxide to form ammonium dimolybdate. This solution is crystallized, filtered, and dried to yield the final white, water-soluble ADM.
| Synonym | Diammonium dimolybdate |
| CAS no. | 27546-07-2 |
| EINECS no. | 248-517-2 |
| Molecular formula | (NH4)2Mo2O7 |
| Molecular weight | 339.95 |
| Structure |  |
APPLICATIONS
ADM has wide range of applications. Some listed below:
| It is a raw material for producing molybdenum powder, ceramic pigments, and other molybdenum compounds |
| It is used in roasting to make molybdenum trioxide, which is then reduced to molybdenum powder and used to manufacture molybdenum flakes, wires, and components |
| It is used to produce catalysts for petroleum refining such as hydrogenation and desulfurization, fertilizers, and dyes |
| It is used in metal surface treatments to enhance adhesion, corrosion resistance, and durability, especially in high-performance applications |
| It provides molybdenum for trace element fertilizers, essential for plant growth, nitrogen fixation, and enzyme activation |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | – | White to Off White powder |
| pH of 5% suspension | – | 5 – 7 |
| Water insoluble | % | Max 0.05 |
| Heavy metals as Pb | % | Max 0.01 |
| Arsenic (As) | % | Max 0.01 |
| Cadmium (Cd) | % | Max 0.001 |
| Mercury (Hg) | % | Max 0.0001 |
| Molybdenum (Mo) | % | 56.0 – 56.5 |
| Assay | % | 99.0 – 100.0 |
PACKING
25 kg BOPP bags.
STORAGE
Store in closed container in a dry area.
REACH status
Ammonium dimolybdate offered by ExSyn is registered under EU REACH regulation.
No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please contact us.
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