Agent Name

Calcium ferrocyanide

CAS Number

13821-08-4

Formula

C6-Fe-N6.2Ca

Major Category

Metals

Synonyms

Dicalcium hexacyanoferrate; Ferrate(4-), hexakis(cyano-kappaC)-, calcium (1:2), (OC-6-11)-; [ChemIDplus] Calcium hexacyanoferrate(II); [MSDSonline]

Category

Metals, Inorganic Compounds

Description

Dodecahydrate: Yellow solid; [Hawley] Fine faintly yellow crystals; [MSDSonline]

Sources/Uses

Used to remove metallic impurities from citric, tartaric, and other acids; [Hawley]

Comments

Ferrocyanide complexes are stable and practically nontoxic because of the strong bonding between iron and cyanide. Cyanide ions may be formed slowly when the chemical is irradiated with UV light. [Ullmann]

Adverse Effects
Other Poison

Chemical Asphyxiant

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Toxicity Information

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Chemical Information

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