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Potassium hexacyanoferrate(II) trihydrate, 1 kg

≥99 %, p.a., ACS, ISO
i harmful to aquatic life with long lasting effects
P220 P273
i keep/store away from acids, alkalis, heavy metal salts and reducing substances, 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.

Guarantee analysis

€175.15/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. P745.2

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Potassium hexacyanoferrate(II) trihydrate
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P745.1 500 g plastic €96.65
P745.2 1 kg plastic €175.15
P745.3 2.5 kg plastic €407.45
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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

Analysis of Food

Carl ROTH also offers reagents suitable for food analysis.

On the following pages, you will find the determination of
• Nitrogen according to Kjeldahl
• Sugar
• Mercury
• Trichinae
• Fat

and the determination of the
• Iodine value
• Acid value
• Peroxide value
• Saponification value

as well as other determining factors such as
• Viscosity
• Density
• Hydroxyl value
• Fluoride ions

Analysis certificates

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 %  
Free alkali≤0,002 %  

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