Products
Potassium ferricyanide
( Red prussiate of
potash )
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 )
Items
|
Specifications |
First grade |
Top-grade |
Purity [
K3Fe(CN)6 ] % ≥ |
99.5 |
99.5 |
Chloride [
Cl- ] % ≤ |
0.2 |
0.1 |
Ferrocyanide [ K4Fe(CN)6 ] % ≤ |
0.3 |
0.14 |
Water insoluble matter % ≤ |
0.02 |
0.01 |
Sodium [
Na+ ] % ≤ |
— |
0.14 |
Note: special specifications are available for customers with special requirements
REAGENT
GRADE / EXTRA PURE GRADE
Items
|
Specifications |
ACS Grade |
CP Grade |
AR Grade |
Extra Pure
Grade |
Purity [K3Fe(CN)6] % ≥ |
99.0 |
99.0 |
99.50 |
99.50 |
Chloride [
Cl-]
% ≤ |
0.01 |
0.02 |
0.005 |
0.005 |
Sulfate [ SO42-] % ≤ |
0.01 |
0.01 |
0.005 |
0.005 |
Ferrocyanide[ K4Fe(CN)6 ]
% ≤ |
0.05 |
0.1 |
0.02 |
0.005 |
Water insoluble matter % ≤ |
0.005 |
0.01 |
0.005 |
0.005 |
Sodium [
Na+ ] % ≤ |
— |
0.02 |
0.02 |
0.005 |
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.
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