Chemicals based on CAS 12054-85-2
Ammonium heptamolybdate is usually available in various concentration. Special packaging requirements are available upon request. Ammonium heptamolybdate is stored in original packing and under conditions mentioned on the safety data sheet (SDS).
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Ammonium molybdate tetrahydrate occurs in the form of large colourless monoclinic crystals or slightly greenish or as a white crystalline powder.
Ammonium molybdate is soluble in cold water, insoluble in ethanol, it decomposes in hot water.
Ammonium heptamolybdate is easily prepared by dissolving molybdenum trioxide in an excess of aqueous ammonia and evaporating the solution at room temperature. While the solution evaporates, the excess of ammonia escapes. This method results in the formation of six-sided transparent prisms of the tetrahydrate of ammonium heptamolybdate. Solutions of ammonium paramolybdate react with acids to form molybdic acid and an ammonium salt. The pH value of a concentrated solution will lie between 5 and 6. Ammonium molybdate is used in various sectors: to decorate ceramics, in chemical analysis to find the presence of phosphates, arsenics, lead. In the chemical industry as a source of molybdenum ions. Ammonium molybdate tetrahydrate is also used as catalyst in the preparation of dehydrogenation and desulphurisation; in the fixing of metals and in electroplating.
Request safety data sheet (SDS) and refer to points 4, 5, 6, 8, 10,13, 14, 15. Technical specifications are provided on request according to the application.
Request safety data sheet (SDS) and refer to points 4, 5, 6, 7, 8, 10, 13, 14, 15.
Technical specifications are provided on request according to the application: ammonium molybdate is stored in original packing and under conditions mentioned on the safety data sheet (SDS).
Ammonium heptamolybdate tetrahydrate, ammonium molybdate tetrahydrate.
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