13943-58-3

Name Tetrapotassium hexacyanoferrate trihydrate
CAS 13943-58-3
EINECS(EC#) 237-323-3
Molecular Formula C24H6Fe4K4N24O3-8
MDL Number MFCD00167022
Molecular Weight 1058.24
MOL File 13943-58-3.mol
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Chemical Properties

Appearance Lemon-yellow crystals or powder; mild saline taste. Effloresces on exposure to air; soluble in water; insoluble in alcohol.
Melting point  70 °C
Boiling point  104.2 °C
density  1.85
form  yellow granules (rough estimate)
Water Solubility  254g/L at 20℃
Thermal Conductivity 1.715 W/(m·K)
Exposure limits ACGIH: TWA 1 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 1 mg/m3
InChI InChI=1S/6CN.Fe.4K/c6*1-2;;;;;/q;;;;;;-4;4*+1
InChIKey OCPOWIWGGAATRP-UHFFFAOYSA-N
SMILES [Fe-4](C#N)(C#N)(C#N)(C#N)(C#N)C#N.[K+].[K+].[K+].[K+]
Uses
Potassium cyanide and ferricyanide, dry colors, tempering steel, dyeing, explosives, process engrav- ing and lithography, laboratory reagent.
CAS DataBase Reference 13943-58-3(CAS DataBase Reference)
EPA Substance Registry System 13943-58-3(EPA Substance)

Safety Data

Hazard statements  H412
Precautionary statements  P273-P501
TSCA  Yes
REACH Registrations Active
Safety Profile
Mildly toxic by ingestion. An experimental teratogen. When heated to decomposition it emits toxic fumes of NOx.

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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