Industrial Ammonium Molybdate / Ammonium Heptamolybdate Powder Cas 12027-67-7

Ammonium Heptamolybdate Powder

Specification:

Chemical Name: Ammonium heptamolybdate

Other names:Ammonium molybdate or Ammonium paramolybdate

Chemical formula:(NH4)6Mo7O24

CAS Number:

• 12027-67-7

• 12054-85-2 (tetrahydrate)

Molar mass: 1163.9 g/mol

1235.86 g/mol (tetrahydrate)

Density : 2.498 g/cm3

Melting point: ~90 ˚C (loses water molecule) 190 °C (decomp.)

Solubility in water:0.43 g/100 ml (tetrahydrate)

Character:

Appearance white to yellow-green crystalline solid

Uses:

• as an analytical reagent to measure the amount of phosphates, silicates, arsenates and lead in aqueous solution (e.g. pigments, river water, sea water etc.)
• in the production of molybdenum metal and ceramics
• in the preparation of dehydrogenation and desulphurisation catalysts
• in the fixing of metals
• in electroplating
• in fertilizers for crops.
• as a negative stain in biological electron microscopy, typically in the 3–5% (vol/vol) concentration range and in the presence of trehalose; or at saturated concentration to perform cryo-negative staining.
• For the detection of recreational drugs as a component of the froehde reagent

Packing:
25kgs plastic woven bag or woven jumbo bag

Storage
Stored in a cool, dry warehouse to prevent the hot and humid.