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Potassium hexacyanoferrate(II) trihydrate, 500 g

≥99 %, p.a., ACS, ISO
i harmful to aquatic life with long lasting effects
i avoid release to the environment
Pack Qty.
Yellow prussiate of potash, Potassium ferrocyanide, Potassium ferrocyanide trihydrate
Empirical formula K4[Fe(CN)6] · 3 H2O
Molar mass (M) 422,41 g/mol
Density (D) 1,85 g/cm³
Melting point (mp) ~70 °C
CAS No. 14459-95-1
EG-Nr. 237-722-2

Reagent for the determination of Fe, Cu, Zn, protein. For preparation of Berlin blue.

€110.20/Pack Qty. 

excl. VAT. | 500 g per Pack Qty.

Art. No. P745.1

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Potassium hexacyanoferrate(II) trihydrate
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Art. No. Pack Qty. Pack. Price Quantity
P745.1 500 g plastic


P745.2 1 kg plastic


P745.3 2.5 kg plastic


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Downloads / MSDS

General information

Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.

Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Assay (perm.)99,0-102,0 %
In H2O insoluble matter≤0,005 %
Chloride (Cl)≤0,01 %
Sulphate (SO4)≤0,005 %
Lead (Pb)≤0,002 %
Cadmium (Cd)≤0,0005 %
Copper (Cu)≤0,002 %
Sodium (Na)≤0,02 %
Ca (Calcium)≤0.005 %
Co (Cobalt)≤0.001 %
Mg (Magnesium)≤0.001 %
Ni (Nickel)≤0.0005 %
Zn (Zinc)≤0.005 %