Agent Name

Cupric ferrocyanide

CAS Number

13601-13-3

Formula

C6-Fe-N6.2Cu

Major Category

Metals

Synonyms

Dicopper hexacyanoferrate; Ferrate(4-), hexakis(cyano-C)-, copper(2+) (1:2); [ChemIDplus] Hexakis(cyano-C)ferrate(4-) copper (2+) (1:2); Hexacyanoferrate(4-) dicopper(2+); Cupric hexacyanoferrate(II); Hatchetts brown; C.I. Pigment Brown 9; [Merck Index]

Category

Metals, Inorganic Compounds

Description

Reddish-brown solid; [Merck Index]

Sources/Uses

Used in pigments, photographic toning baths, and electrode-to-soil contacts; [Merck Index]

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] May cause irritation; [MSDSonline]

Exposure Assessment
TLV (ACGIH)

1 mg/m3, as Cu

PEL (OSHA)

1 mg/m3, as Cu

MAK

0.01 mg/m3, respirable fraction (Cu, inorganic cmpnds)

IDLH (NIOSH)

100 mg/m3, as Cu

Adverse Effects
Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: