Quality Level

200

grade

ACS reagent
puriss. p.a.

Agency/Method

USP/NF
reag. ISO
reag. Ph. Eur.

assay

≥99%

form

crystalline

application(s)

titration: suitable

impurities

≤0.02% hexacyanoferrate(II) ([Fe(CN)₆]^4-)

pH

6-9 (25 °C, 329 g/L)

anion traces

chloride (Cl^-): ≤50 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Ca: ≤5 mg/kg
Cd: ≤5 mg/kg
Co: ≤50 mg/kg
Cu: ≤10 mg/kg
Na: ≤200 mg/kg
Ni: ≤10 mg/kg
Pb: ≤20 mg/kg
Zn: ≤5 mg/kg

SMILES string

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

InChI

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

InChI key

MIMJFNVDBPUTPB-UHFFFAOYSA-N