12-10277. Zinc Ortho-arsenate [Archived]

Nomenclature

CAS number: 13464-44-3
As2O8Zn3; mol wt 474.07.
As 31.61%, O 27.00%, Zn 41.39%.
Zn3(AsO4)2.

Description and references

Occurs in nature as an octahydrate koettigite, Zn3(AsO4)2.8H2O, and as a basic arsenate adamite, Zn3(AsO4)2.Zn(OH)2.

Properties

White, odorless powder. Poison! Insol in water; sol in acids, alkali hydroxides, ammonia.

Status

This monograph has been retired and is no longer subject to revision or update.