Potassium tetracyanonickelate(II)
Potassium tetracyanonickelate(II) (CAS: 14220-17-8) is an inorganic compound with the formula K2Ni(CN)4. It presents as a powder and is characterised by a high purity of greater than 99.9% on a trace metals basis. This compound is valuable in various chemical synthesis applications, including catalysis and materials science, contributing to advancements in inorganic chemistry and metal-related research.
- IUPAC
- Dipotassium tetracyanonickelate,Potassium nickel(II) cyanide

Chemical Synthesis
This compound serves as a precursor or reagent in the synthesis of various nickel-containing compounds and coordination complexes. Its defined stoichiometry and purity facilitate controlled chemical transformations.
Catalysis
Potassium tetracyanonickelate(II) can be employed as a component in catalytic systems, particularly in organic transformations where nickel complexes are known to be active. Research into its catalytic properties continues in academic and industrial settings.
Materials Science
The compound is relevant in materials science for the development of novel materials, potentially including coordination polymers or metal-organic frameworks. Its structure and properties can be leveraged for specific material functionalities.
Inorganic Chemistry Research
As a well-defined nickel(II) cyanide complex, it is used in fundamental research within inorganic chemistry. Studies may focus on its electronic structure, bonding, and reactivity.
| Molecular weight | 240.96 |
|---|---|
| Linear formula | K2Ni(CN)4 |
| Assay | >99.9% trace metals basis |
| Form | powder |


Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 1588 6.1 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/27/28-32-50/53 |
| Safety statements (S) | 7-28-29-45-60-61 |
| Supplemental hazards | Contact with acids liberates very toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Potassium tetracyanonickelate(II) used for?
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Potassium tetracyanonickelate(II) is used in chemical synthesis, catalysis, materials science, and inorganic chemistry research. Its high purity makes it suitable for demanding applications.
What is the CAS number and chemical formula?
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The CAS number for Potassium tetracyanonickelate(II) is 14220-17-8, and its chemical formula is K2Ni(CN)4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium tetracyanonickelate(II) with an assay of >99.9% trace metals basis. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the main safety concerns when handling this chemical?
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This compound is classified as dangerous. It is acutely toxic if swallowed, in contact with skin, or if inhaled (H300, H310, H330), and is very toxic to aquatic life with long-lasting effects (H410). Contact with acids liberates very toxic gas, and appropriate safety precautions, including respiratory protection, must be taken.
How is Potassium tetracyanonickelate(II) packed, shipped, and exported?
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Potassium tetracyanonickelate(II) is packed according to international shipping regulations for hazardous materials. Tech Serve Solutions is experienced in exporting chemicals globally, ensuring compliance with all relevant transport directives.
How can I request a quote or sample for Potassium tetracyanonickelate(II)?
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To request a quote or a sample, please contact our sales department through the website or call us directly. Provide the product name and CAS number for efficient processing.
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