Synonyms: Kalium hexacyanoferrate(Ⅲ);Red prussiate of potash; Potassium hexacyanoferrate(III); Potassium prussiate red;Potassium iron cyanide; Potasio ferricianuro ; Ferricianuro de potasio ...
Molecular formula: K3Fe(CN)6
Molecular weight: 329.25
CAS No.: 13746-66-2 EINECS No.:237-323-3 H.S.Code: 28372000
Properties: Deep red or golden red crystals or powder. soluble in water, insoluble in ethanol.
INDUSTRY GRADE ( TECH GRADE / PHOTO GRADE )
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Items
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Specifications
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First grade
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Top-grade
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Purity [ K3Fe(CN)6 ] % ≥
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99.5
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99.5
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Chloride [ Cl- ] % ≤
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0.2
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0.1
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Ferrocyanide [ K4Fe(CN)6 ] % ≤
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0.3
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0.14
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Water insoluble matter % ≤
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0.02
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0.01
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Sodium [ Na+ ] % ≤
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—
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0.14
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Note: special specifications are available for customers with special requirements
REAGENT GRADE / EXTRA PURE GRADE
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Items
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Specifications
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ACS Grade
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CP Grade |
AR Grade
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Extra Pure Grade
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Purity [K3Fe(CN)6] % ≥
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99.0
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99.0
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99.50
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99.50
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Chloride [ Cl-] % ≤
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0.01
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0.02 |
0.005
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0.005
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Sulfate [ SO42-] % ≤
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0.01
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0.01 |
0.005
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0.005
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Ferrocyanide[ K4Fe(CN)6 ] % ≤
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0.05
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0.1 |
0.02
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0.005
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Water insoluble matter % ≤
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0.005
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0.01
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0.005
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0.005
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Sodium [ Na+ ] % ≤
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—
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0.02
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0.02
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0.005
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Note: special specifications are available for customers with special requirements
Packing: In kraft paper bags / plastic woven bags / plywood drums of 25/50 kgs net. or following your demands.
Application: Mainly used in printing plate, photosensitive materials, bleaching, pharmaceutical, paint, electroplating, also used in leather making ,refining of metal, fine chemical industry and so on.
Transportation & storage: kept in dry, dark and ventilating place; no mix with acid.
