2657. Cupric Tungstate(VI)

Nomenclature

CAS number: 13587-35-4
Cupric wolframate.
CuO4W; mol wt 311.38.
Cu 20.41%, O 20.55%, W 59.04%.
CuWO4.

Description and references

Prepn: Kosek et al., Collect. Czech. Chem. Commun. 24, 2034 (1959).

Derivative

Dihydrate.

Properties

Light green powder. Becomes brown to greyish-yellow on heating, with loss of H2O. Practically insol in water. Slightly sol in acetic acid; sol in NH3, H3PO4; dec by mineral acids.

Use

In semiconductors, nuclear reactors; as catalyst for polyester formation.