Specification :

Synonyms: Yellow prussiate of potash; Potassium hexacyanoferrate( II) ; Potassium prussiate yellow; Ferrocianuro de potasio;
Kaliumhexacyanoferrate; Hexacianoferratos de potasio; ...
Molecular formula: K4 Fe ( CN ) 6 . 3H2O
Molecular weight: 422.39
CAS  : 14459-95-1 ( Trihydrate) ; 13943-58-3 ( Anhydrous) EINECS  : 237-722-2 H.S.Code: 28372000
Properties: Yellow or Lemon yellow crystal or powder, soluble in water, insoluble in ethanol

Application :

Food grade is mainly used as food additive, such as: anti-caking agent in table salt or used to remove heavy metal ions ( iron, copper, zinc, etc. ) from wine, soy protein...
Industry grade is mainly used to produce iron blue and potassium ferricyanide, or used in paint, printing ink, coloring matter, leather industry, pharmacy, heat treatment of metal, metallurgy and other industries.
Chemical reagent ( Extra Pure) grade is mainly used in high-tech fields such as microelectronics, aerospace.