Crystals

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General Information

Red Prussiate

Red prussiate and yellow prussiate are related chemicals.[1]

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Production Methods

Red prussiate crystals can be made from a solution by evaporating it or from a supersaturated solution by cooling it down gradually. Keep in mind that red prussiate has a high solubility.

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Chemical & Physical Information

Trivial nameRed Prussiate
Chemical namePotassium Hexacyanoferrate(III)
Other namesRood bloedloogzout (NL,BE)
Type of chemicalIonic compound (salt)
Chemical formulaK3[Fe(CN)6]
CAS number13746-66-2
Crystal systemMonoclinic
Bravais laticeMonoclinic
Coordination GeometryOctahedral
ColourRed (yellow in low concentration solutions)
LusterVitreous
StreakRed
OpacityTranslucent to transparent
Safety summaryHarmful, toxic.
Safety dataMSDS
Production methodSolution vaporization, supersaturated solution cooling.
StorageDry
ExtraContact with acids produces toxic gas.

For more information, also look at the red prussiate chemicals.

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Photos

Red Prussiate

(4 cm)

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Sources

[1] Wikipedia

[2] Specimen from my personal collection, photo taken by me.