12-00542. Ammonium Cobaltous Sulfate [Archived]

Nomenclature

CAS number: 13596-46-8
Ammonium disulfatocobaltate(II); cobaltous ammonium sulfate.
CoH8N2O8S2; mol wt 287.14.
Co 20.52%, H 2.81%, N 9.76%, O 44.58%, S 22.33%.
(NH4)2Co(SO4)2.

Description and references

Prepd by mixing equimolar amounts of solns of (NH4)2SO4 and CoSO4: Malard, Bull. Soc. Chim. Fr. 1961, 2296; Gmelins, Cobalt (8th ed.) 58, part A, p 435 (1932); suppl, pp 811-815 (1961).

Derivative

Hexahydrate.

Properties

Red monoclinic prismatic crystals. d 1.90. Sol in water; almost insol in alcohol.

Status

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