539. Ammonium Pentachlorozincate

Nomenclature

CAS number: 14639-98-6
Pentachlorozincate(3) ammonium (1:3); zinc ammonium chloride.
Cl5H12N3Zn; mol wt 296.79.
Cl 59.73%, H 4.08%, N 14.16%, Zn 22.04%.
ZnCl2.3NH4Cl.

Description and references

Prepn: Klug, Alexander, J. Am. Chem. Soc. 66, 1056 (1944).

Properties

Hygroscopic, orthorhombic, bipyramidal crystals. d 1.81. Sublimes at 340° without melting if absolutely dry. Very sol in water.

Use

In manuf of dry cells; as flux for welding, soldering, galvanizing.