Potassium hexacyanoferrate(III)

InChI key

MIMJFNVDBPUTPB-UHFFFAOYSA-N

InChI

1S/6CN.Fe.3K/c6*1-2;;;;/q;;;;;;-3;3*+1

SMILES string

[K+].[K+].[K+].N#C[Fe-3](C#N)(C#N)(C#N)(C#N)C#N

grade

reagent grade

product line

BioUltra

assay

≥99.0% (RT)

form

crystals

impurities

insoluble matter, passes filter test

pH

6-9 (25 °C, 1 M in H₂O)

solubility

H₂O: 1 M at 20 °C, clear, very strong brownish-yellow

anion traces

chloride (Cl^-): ≤50 mg/kg, hexacyanoferrate(II) ([Fe(CN)₆]^4-): ≤200 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

As: ≤0.1 mg/kg, Ca: ≤5 mg/kg, Cd: ≤5 mg/kg, Co: ≤50 mg/kg, Cr: ≤50 mg/kg, Cu: ≤10 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤10 mg/kg, Pb: ≤20 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

no transmittance (UV) in H₂O at 1 M

Quality Level

200