Molekula
Potassium ferricyanide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium ferricyanide is an inorganic compound with the formula K₃Fe(CN)₆, widely used in photography, electroplating, and as a reagent in chemical synthesis. It serves as a mild oxidizing agent and is also used in cyanotype (blueprint) printing. This red crystalline solid has a molecular weight of 329.24 g/mol, is stable at ambient storage conditions, and carries a Warning signal word for safety. Molekula supplies Potassium ferricyanide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $43.90 per pack
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250 g — $76.00 per pack
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1 kg — $118.00 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Red Crystal or powder |
| Assay | ≥99.5% |
| Water insoluble matter | ≤0.01% |
| K4Fe(CN)6 | ≤0.16% |
| Potassium Chloride (KCl) | ≤0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 19316295 |
| CAS Number | 13746-66-2 |
| IUPAC Name | tripotassium;iron(3+);hexacyanide |
| EC Number | 237-323-3 |
| Molecular Formula | K3Fe(CN)6 |
| Molecular Weight | 329.24 |
| Exact Mass | 328.8445 |
| SMILES | [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[K+].[K+].[K+].[Fe+3] |
| InChIKey | BYGOPQKDHGXNCD-UHFFFAOYSA-N |
| InChI | InChI=1S/6CN.Fe.3K/c6*1-2;;;;/q6*-1;+3;3*+1 |
| PubChem CID | 26250 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28372010 |
| Tariff Code | 2837200090 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- EUH032 Contact with acids liberates very toxic gas
- H319 Causes serious eye irritation
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in Bulgarian, English, French, German, Italian, Spanish, Swedish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Iron potassium cyanide
- Potassium cyanoferrate
- Potassium ferricyanate
- Red prussiate
- Tripotassium ferric hexacyanide
- Tripotassium ferriccyanide
- tripotassium hexacyanidoferrate
- Tripotassium hexacyanoferrate
- Tripotassium hexacyanoferrate(3-)
- Tripotassium iron hexacyanide
Frequently asked questions
What is potassium ferricyanide commonly used for?
Potassium ferricyanide is primarily used in electroplating (e.g., copper plating), as a reagent in chemical synthesis, and in photography for toning prints. It's also used in cyanotype (blueprint) printing and in analytical chemistry for titrations.
What is the chemical formula and molecular weight of potassium ferricyanide?
The chemical formula is K₃Fe(CN)₆, and its molecular weight is 329.24 g/mol.
How should potassium ferricyanide be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and incompatible substances like strong acids or reducing agents.
What grades of potassium ferricyanide does Molekula supply?
Molekula supplies technical/industrial grade potassium ferricyanide, suitable for most industrial, laboratory, and electroplating applications.
Can Molekula supply potassium ferricyanide in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg drums or larger) for industrial customers—please contact us for specific availability and lead times.
What documentation comes with a potassium ferricyanide order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet. For bulk orders, additional documentation like a Packing List and Batch Traceability Record may be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.