Calcium ferrocyanide

Calcium ferrocyanide
Names
	Other names Dicalcium hexakis(cyano-κC)ferrate(4-)
Identifiers
CAS Number	13821-08-4;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.034.085
EC Number	237-508-9;
E number	E538 (acidity regulators, ...)
PubChem CID	166920;
UNII	906D36VLZG;
CompTox Dashboard (EPA)	DTXSID80930018 ;
	InChI InChI=1S/6CN.2Ca.Fe/c61-2;;;/q6-1;3*+2 Key: BAZQCHGUTMBXBU-UHFFFAOYSA-N;
	SMILES [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Ca+2].[Ca+2].[Fe+2];
Properties
Chemical formula	C6Ca2FeN6
Molar mass	292.109 g·mol−1
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H302, H312, H315, H319, H332, H335
GHS precautionary statements	P261, P280, P301+312, P302+352, P304+340, P305+351+338, P332+313
NFPA 704 (fire diamond)	0 0
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Calcium ferrocyanide is a salt substitute, and was listed in 2012 by the EU as a "Food Improvement Agent". It is found at STP in the form of yellow crystals or crystalline powder.[1]

Uses

In the EU, ferrocyanides (E 535–538) were, as of 2018, solely authorised in two food categories as salt substitutes. Kidneys are the organ for ferrocyanide toxicity.[2]

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References

"Compound Summary for CID 166920 - Calcium Ferrocyanide". PubChem.
Peter Aggett, Fernando Aguilar, Riccardo Crebelli, Birgit Dusemund, Metka Filipič, Maria Jose Frutos, Pierre Galtier, David Gott, Ursula Gundert‐Remy, Gunter Georg Kuhnle, Claude Lambré, Jean‐Charles Leblanc, Inger Therese Lillegaard, Peter Moldeus, Alicja Mortensen, Agneta Oskarsson, Ivan Stankovic, Ine Waalkens‐Berendsen, Rudolf Antonius Woutersen, Matthew Wright and Maged Younes. (2018). "Re‐evaluation of sodium ferrocyanide (E 535), potassium ferrocyanide (E 536) and calcium ferrocyanide (E 538) as food additives". EFSA Journal. 16 (7): 5374. doi:10.2903/j.efsa.2018.5374.CS1 maint: multiple names: authors list (link)

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[1] "Compound Summary for CID 166920 - Calcium Ferrocyanide". PubChem.

[2] Peter Aggett, Fernando Aguilar, Riccardo Crebelli, Birgit Dusemund, Metka Filipič, Maria Jose Frutos, Pierre Galtier, David Gott, Ursula Gundert‐Remy, Gunter Georg Kuhnle, Claude Lambré, Jean‐Charles Leblanc, Inger Therese Lillegaard, Peter Moldeus, Alicja Mortensen, Agneta Oskarsson, Ivan Stankovic, Ine Waalkens‐Berendsen, Rudolf Antonius Woutersen, Matthew Wright and Maged Younes. (2018). "Re‐evaluation of sodium ferrocyanide (E 535), potassium ferrocyanide (E 536) and calcium ferrocyanide (E 538) as food additives". EFSA Journal. 16 (7): 5374. doi:10.2903/j.efsa.2018.5374.CS1 maint: multiple names: authors list (link)