520. Ammonium Ferrocyanide

Nomenclature

CAS number: 14481-29-9
(OC-6-11)-Hexakis(cyano-κC)ferrate(4) ammonium (1:4); ammonium hexacyanoferrate (II).
C6H16FeN10; mol wt 284.10.
C 25.37%, H 5.68%, Fe 19.66%, N 49.30%.
(NH4)4Fe(CN)6.

Description and references

Prepn: Gmelins, Iron (8th ed.) 59, part B, p 1024 (1932); Lux in Handbook of Preparative Inorganic Chemistry Vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) pp 1509-1510.

Derivative

Trihydrate.

Properties

Yellow cryst powder. Loses NH3 on exposure to air and light. Decomposes on heating. Freely sol in water. Practically insol in alcohol. Protect from light.