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Ammonium Dimolybdate

CAS#: 12054-85-2

Molecular Formula: (NH₄)₂Mo₂O₇

Molecular Weight: 339.90

Description: White crystalline powder, no seeable impurities, easily soluble in water and alkali and insoluble in alcohol and acetone.

Quality Standard:
　

Specifications (%)	I	II
MoO3	84 min.	84
Mo	56 min.	56
Si	0.0006 max.	0.001
Al	0.0006 max.	0.0008
Fe	0.0006 max.	0.0008
Cu	0.0003 max.	0.0005
Mg	0.0006 max.	0.0010
Ni	0.0003 max.	0.0005
Mn	0.0003 max.	0.0006
P	0.0005 max.	0.0005
K	0.01 max.	0.08
Na	0.001 max.	0.003
Ca	0.0008 max.	0.001
Pb	0.0005 max.	0.0005
Sn	0.0005 max.	0.0005
W	0.020 max.	0.080

　

Uses: Mainly used in making molybdate powder, fertilizers of microelements, ceramic colors and other pigments.

Packing: 50kg fiber drum, inner lined with PP bags　
　

Ammonium Tetramolybdate

CAS# : 12054-85-2

Molecular Formula : (NH₄)₂Mo₄O₁₃.2H₂O

Molecular Weight: 663.86

Description: Ammonium Molybdate is also called Ammonium Tetramolybdate (ATM) according to the formula. With white crystalline powder appearance, no seeable impurities, easily soluble in water and alkali and insoluble in alcohol and acetone.

Quality Standard:
　

Specifications (%)	I	II	III
MoO3	85 min.	85	85
Mo	56.6 min.	56.6	56.6
Si	0.0006 max.	0.0010	0.002
Al	0.0006 max.	0.0006	0.002
Fe	0.0006 max.	0.0008	0.005
Cu	0.0003 max.	0.0005	-
Mg	0.0006 max.	0.0006	0.002
Ni	0.0003 max.	0.0005	0.001
Mn	0.0003 max.	0.0006	-
P	0.0005 max.	0.0005	0.001
K	0.01 max.	0.080	-
Na	0.001 max.	0.003	-
Ca	0.0008 max.	0.0010	-
Pb	0.0006 max.	0.0006	0.0006
Bi	-	-	0.0006 max.
Sn	0.0005 max.	0.0005	0.0006
Sb	-	-	0.0006 max.
Cd	-	-	0.0006 max.

　

Uses: used as catalyst in petrochemistry, for making molybdate products in metallurgy, as fertilizer, and as raw materials for making ceramic colors, pigments and other molybdate compounds.

Packing: 50kg iron drum, fiber drum or woven bag.

　

Ammonium Heptamolybdate

CAS#: 12054-85-2

Molecular Formula: (NH₄)₆Mo₇O₂₄.4H₂O

Molecular Weight: 1235.86

Description: Colorless or slight green crystal. Insoluble in ethanol. Solubility in water can reach 40g under normal temperature.

Quality Standard:
　

Specifications (%)
MoO3	81 min.
Mo	54 min.
Cl	0.002 max.
SO4	0.05 max.
Al	0.002 max.
Fe	0.005 max.
Mg	0.002 max.
Ni	0.001 max.
P	0.001 max.
Pb	0.0006 max.
Bi	0.0006 max.
Sn	0.0006 max.
Cd	0.0006 max.
Water insolubility	0.002 max.

　

Uses: Important reagent for phosphor and best materials for making acrylonitrile catalyst.

Packing: 50kg iron drum, fiber drum or woven bag.