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1.04982

Supelco

Potassium hexacyanoferrate(II) trihydrate

EMPLURA®

Synonym(s):

Potassium hexacyanoferrate(II) trihydrate, Potassium ferrocyanide

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About This Item

Linear Formula:
K4[Fe(CN)6] · 3H2O
CAS Number:
Molecular Weight:
422.39
MDL number:
UNSPSC Code:
12352302
EC Index Number:
237-722-2
NACRES:
NA.21

Quality Level

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)

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

InChI

1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q6*-1;+2;4*+1;;;

InChI key

UTYXJYFJPBYDKY-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (cerimetric): ≥ 99.0 %
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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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