564. Ammonium Tungstate(VI)

Nomenclature

CAS number: 11120-25-5
Ammonium paratungstate.
H40N10O41W12; mol wt 3042.44.
H 1.33%, N 4.60%, O 21.56%, W 72.51%.
(NH4)10W12O41.

Description and references

Prepn: Pilloton, US 3077379 (1963 to Union Carbide).

Properties

Pentahydrate, plates. Freely sol in water; practically insol in alcohol.

Use

Manuf of tungsten alloys.