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About This Item
Linear Formula:
K4[Fe(CN)6] · 3H2O
CAS Number:
Molecular Weight:
422.39
UNSPSC Code:
12352302
EC Index Number:
237-722-2
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (cerimetric)
Form:
solid
Solubility:
water: soluble (211 g/l at 20 °C (68 °F))
Quality Segment
product line
EMPLURA®
assay
≥99.0% (cerimetric)
form
solid
potency
3613 mg/kg LD50, oral (Rat)
pH
9.5 (20 °C, 100 g/L in H2O, anhydrous substance)
mp
>50 °C (Elimination of water of crystallisation)
solubility
water: soluble (211 g/l at 20 °C (68 °F))
bulk density
950‑1050 kg/m3
cation traces
As: ≤0.0003%, Cu: ≤0.0025%, Pb: ≤0.001%, Zn: ≤0.0025%
storage temp.
2-30°C
SMILES string
[Fe+2].[K+].[K+].[K+].[K+].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].O.O.O
InChI
1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q6*-1;+2;4*+1;;;
InChI key
UTYXJYFJPBYDKY-UHFFFAOYSA-N
Analysis Note
Assay (cerimetric): ≥ 99.0 %
As (Arsenic): ≤ 0.0003 %
Cu (Copper): ≤ 0.0025 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0025 %
As (Arsenic): ≤ 0.0003 %
Cu (Copper): ≤ 0.0025 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0025 %
Legal Information
EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany
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Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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