Ammonium dimolybdate

CAS NO.：27546-07-2
Empirical Formula: H6MoNO+
Molecular Weight: 132
MDL number: MFCD00010882
EINECS: 248-517-2
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-21 22:41:43

What is Ammonium dimolybdate?

Chemical properties

white powder(s); obtained by crystallization from a solution of MoO3 containing excess NH3; used as a high purity source for the preparation of Mo metal [KIR8l] [ALF93]

Physical properties

Colorless, monoclinic crystal; density 2.276 g/cm³; decomposes on heating; soluble in water (decomposes); also soluble in acid; insoluble in alcohol and liquid ammonia.

The Uses of Ammonium dimolybdate

Ammonium molybdate (di) is used as pigments, agricultural fertilizer, color lakes and fabric fire retardant agent. It is also used as a raw material for the production of molybdenum wire, ceramic glazes and other molybdenum compounds. Further, it is used in photography, ceramics and paints. It is also used reagent for analysis as well as in the determination of phosphorus in analytical chemistry. In addition, it is used as a catalyst in the petrochemical industry.

Flammability and Explosibility

Not classified

Properties of Ammonium dimolybdate

Melting point:	300 °C
Density	3.1
storage temp.	Sealed in dry,Room Temperature
solubility	soluble in H2O
form	Powder
color	white
Water Solubility	Soluble in water.
Exposure limits	ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 1000 mg/m3
CAS DataBase Reference	27546-07-2(CAS DataBase Reference)
EPA Substance Registry System	Ammonium molybdenum oxide ((NH4)2Mo2O7) (27546-07-2)