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1.04984

Supelco

Potassium hexacyanoferrate(II) trihydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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

grade

ACS reagent

Quality Level

agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE®

assay

99.0-102.0% (cerimetric)

form

solid

potency

3613 mg/kg LD50, oral (Rat)

impurities

≤0.005% Insoluble matter

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

anion traces

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.005%

cation traces

Na: ≤0.01%
Pb: ≤0.002%

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

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Related Categories

Linkage

Replaces: PX1460; PX1460-1; PX1460-20

Analysis Note

Assay (cerimetric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.002 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Iron Stain

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