12-00546. Ammonium Ferric Chromate [Archived]

Nomenclature

CAS number: 7789-08-4
Ferric ammonium chromate.
Cr2FeH4NO8; mol wt 305.87.
Cr 34.00%, Fe 18.26%, H 1.32%, N 4.58%, O 41.85%.
NH4Fe(CrO4)2.

Description and references

Prepd by addn of NH3 to an aq soln of Fe(NO3)3.6H2O and CrO3: Weinland, Mergenthaler, Ber. 57B, 776 (1924).

Properties

Carmine-red, microcryst powder. Practically insol in water.

Status

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