calcium ferrocyanide

{{short description|Chemical compound}}

{{Chembox

| ImageFile = Calcium ferrocyanide.svg

| OtherNames={{Unbulleted list|Dicalcium hexakis(cyano-κC)ferrate(4-)}}

|Section1 = {{Chembox Identifiers

| PubChem = 166920

| CASNo = 13821-08-4

| ChemSpiderID = 146050

| EC_number = 237-508-9

| UNII = 906D36VLZG

| StdInChI=1S/6CN.2Ca.Fe/c6*1-2;;;/q6*-1;3*+2

| StdInChIKey = BAZQCHGUTMBXBU-UHFFFAOYSA-N

| SMILES = [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Ca+2].[Ca+2].[Fe+2]

}}

|Section2 = {{Chembox Properties

|C=6|N=6|Fe=1|Ca=2

}}

|Section7={{Chembox Hazards

| GHSPictograms = {{GHS07}}

| GHSSignalWord = Warning

| HPhrases = {{H-phrases|302|312|315|319|332|335}}

| PPhrases = {{P-phrases|261|280|301+312|302+352|304+340|305+351+338|332+313}}

| NFPA-R=0

| NFPA-S=

| NFPA-F=0

}}

}}

Calcium ferrocyanide is an inorganic compound with the formula Ca₂[Fe(CN)₆]. It is the Ca²⁺ salt of [Fe(CN)₆]^4-, ferrocyanide complex ion. It is insoluble in water, acids, and organic solvents.{{Cite book |url=https://ia801308.us.archive.org/27/items/CRC.Press.Handbook.of.Chemistry.and.Physics.85th.ed.eBook-LRN/CRC.Press.Handbook.of.Chemistry.and.Physics.85th.ed.eBook-LRN.pdf |title=CRC Handbook of Chemistry and Physics |page=757}} A yellow solid, it is used as a precursor to the pigment Prussian blue.{{Ullmann |author1=Gail, E. |author2=Gos, S. |author3=Kulzer, R. |author4=Lorösch, J. |author5=Rubo, A. |author6=Sauer, M. |author7=Kellens, R. |author8=Reddy, J. |author9=Steier, N. |author10=Hasenpusch, W. | title = Cyano Compounds, Inorganic| year = 2011 | publisher = Wiley-VCH | location = Weinheim | doi = 10.1002/14356007.a08_159.pub3 }}