Description

Tetrapotassium Hexacyanoferrate Trihydrate is a high-purity inorganic salt of significant industrial importance. This compound serves as a versatile precursor and reagent in advanced chemical synthesis and analytical applications. It is essential for manufacturers and R&D laboratories in sectors requiring precise cyanide-based chemistry, including specialty chemicals, electroplating, and analytical reagent production.

Application

• As a key raw material in the synthesis of other cyanometallate complexes and coordination compounds.
• Used in the formulation of specialized electroplating solutions and surface treatment baths.
• Serves as a high-purity reagent in analytical chemistry for calibration and testing procedures.
• Employed in the production of pigments and dyes where specific iron-cyanide structures are required.
• Acts as a chemical intermediate in the manufacture of certain pharmaceutical active ingredients.
• Utilized in research and development for catalysis and materials science studies.

Basic Information

Product Name	Tetrapotassium Hexacyanoferrate Trihydrate
CAS No.	13943-58-3
Molecular Formula	K4[Fe(CN)6]·3H2O
Molecular Weight	422.39 g/mol
Synonyms	Potassium Ferrocyanide Trihydrate; Tetrapotassium Ferrocyanide Trihydrate; Yellow Prussiate of Potash Trihydrate; K4Fe(CN)6·3H2O; Potassium Hexacyanoferrate(II) Trihydrate; E536 (when used as a food additive); Iron(2+) potassium cyanide (1:4:6), trihydrate
EINECS	237-722-2

Quality Control

Our Tetrapotassium Hexacyanoferrate Trihydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and laboratory use. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow crystalline powder
Identification (IR)	Conforms
Assay (K4Fe(CN)6·3H2O)	≥ 98.0 %
Water (Karl Fischer)	11.0 - 14.0 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.1 %
Insoluble Matter	≤ 0.05 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.