2649. Cupric Salicylate

Nomenclature

CAS number: 16048-96-7
2-Hydroxybenzoic acid copper salt.
C14H10CuO6; mol wt 337.77.
C 49.78%, H 2.98%, Cu 18.81%, O 28.42%.
Cu[C6H4(OH)COO]2.

Description and references

Prepd from reaction of CuSO4 with Na salicylate: Hanic, Michalov, Acta Crystallogr. 13, 299 (1960); Inoue et al., Inorg. Chem. 3, 239 (1964).

Properties

Brown, blue-green or green powder. Absorbs water in moist air to form the tetrahydrate.

Derivative

Tetrahydrate.

Properties

Pale-blue needles or blue-green plates. Blue-green modification loses water on standing in air. Sol in water, alcohol, NH4OH.

Use

In the separation of monoolefinic from di- or polyolefinic hydrocarbons.