Molekula
Potassium ferrocyanide trihydrate
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 ferrocyanide trihydrate is a stable, water-soluble inorganic compound used in analytical chemistry, food additives, and as a reagent in redox reactions. It appears as yellow crystals and is employed in the production of pigments and in metallurgy. Further applications include textile dyeing and printing, steel tempering, and process engraving and lithography. CAS: 14459-95-1, Molecular formula: K4[Fe(CN)6] · 3H2O, Molecular weight: 422.39 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Potassium ferrocyanide trihydrate 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 — £27.00 per pack ex VAT · £32.40 inc. VAT
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250 g — £30.00 per pack ex VAT · £36.00 inc. VAT
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1 kg — £45.10 per pack ex VAT · £54.12 inc. VAT
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 | Yellow Crystalline Powder |
| Water | ≤3% |
| Chloride (Cl-) | ≤0.5% |
| Assay | ≥98% |
| Insoluble in water | ≤0.05% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 30870208 |
| CAS Number | 14459-95-1 |
| IUPAC Name | tetrapotassium;iron(2+);hexacyanide;trihydrate |
| Molecular Formula | K4[Fe(CN)6] · 3H2O |
| Molecular Weight | 422.39 |
| Exact Mass | 421.8399 |
| SMILES | [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.O.O.O.[K+].[K+].[K+].[K+].[Fe+2] |
| InChIKey | UTYXJYFJPBYDKY-UHFFFAOYSA-N |
| InChI | InChI=1S/6CN.Fe.4K.3H2O/c6*1-2;;;;;;;;/h;;;;;;;;;;;3*1H2/q6*-1;+2;4*+1;;; |
| PubChem CID | 161067 |
| REACH Code | Y113 |
| HTS Code | 28372010 |
| Tariff Code | 2837200090 |
Safety & GHS
Hazard statements
- EUH032 Contact with acids liberates very toxic gas
- H412 Harmful 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
- P307+311 IF exposed: Call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
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
- Ferrate(4-), hexakis(cyano-C)-, tetrapotassium, trihydrate, (OC-6-11)-
- KALI FERROCYANATUM
- POTASSIUM (OC-6-11)-HEXAKIS(CYANO-kappaC)FERRATE(4-) (4:1) TRIHYDATE
- Potassium ferricyanide trihydrate
- Potassium ferrocyanide trihyrate
- Potassium hexacyanoferrate (II) trihydrate ACS grade
- POTASSIUM HEXACYANOFERRATE(II) TRIHYDRATE
- TETRAPOTASSIUM HEXAKIS(CYANO-C)FERRATE(4-) TRIHYDRATE
- tetrapotassium;iron(2+);hexacyanide;trihydrate
Frequently asked questions
What is potassium ferrocyanide trihydrate used for?
It is primarily used as a food additive (E535) to prevent caking in salt and as a reagent in analytical chemistry.
What is the chemical formula and molecular weight?
The formula is K4[Fe(CN)6] · 3H2O with a molecular weight of 422.39 g/mol.
How should potassium ferrocyanide trihydrate be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Available in laboratory grade; other grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.