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Tripotassium hexacyanoferrate;
Potassium hexacyanoferrate (III);
Red prussiate;
Potassium iron(III)cyanide
CAS 13746-66-2
Assay 99.5%min
Packing 25 kg/bag or drum
| Name | Potassium ferricyanid |
| Synonyms | Tripotassium hexacyanoferrate; Potassium iron(III)cyanide |
| Molecular Formula | K3.[Fe(CN)6] |
| Molecular Weight | 329.24 |
| CAS Registry Number | 13746-66-2 (409-16-5) |
| EC Number | 237-323-3 |
Specification：
Specifications | Industrial Grade | Reagent Grade | |||||
Item | Best Grade | Superior Grade | First Grade | Photo Grade | GR | AR | CP |
K3Fe(CN)6 % min | 99.5 | 99.5 | 99.3 | 99.0 | 99.5 | 99.5 | 99.0 |
Chloride (Cl-), % max | 0.1 | 0.1 | 0.15 | 0.2 | 0.005 | 0.005 | 0.02 |
K4Fe(CN)6 % max | 0.16 | 0.16 | 0.22 | 0.4 | 0.005 | 0.02 | 0.1 |
Water Insoluble % max | 0.01 | 0.01 | 0.02 | 0.02 | 0.005 | 0.005 | 0.01 |
Sulfate(SO4) % max | N/A | N/A | N/A | N/A | 0.005 | 0.005 | 0.01 |
Na+ % max | 0.15 | N/A | N/A | N/A | 0.005 | 0.02 | N/A |
Appearance：Deep red or red monoclinic columnar crystals or powders.with a yellow aqueous solution.
Uses：
A. Industrial applications:
1. Manufacturing of photographic paper;
2. Production of pigments;
3. Leather making process;
4. Printing and pharmaceutical industry;
5. Matchmaker (used for dyeing);
6. Steel industry (such as carburizing agents);
7. Rubber industry;
8. Fertilizer production.
B. Analytical Chemistry and Laboratory:
1. Chromatographic analysis reagents;
2. Drip analysis and detection of elements such as high-speed rail, cesium, gallium, mercury, zinc, etc;
3. Moderating oxidants in organic synthesis;
4. Analysis of sulfur content in nitrogen fertilizer production.
Storage and transportation: Store in cool,dry place in tightly closed containers. Do not store together with acids.
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