What Is Potassium Tetrachloroplatinate(II)? Properties, Applications and Buying Guide
Reading time: 8 minutes
Potassium tetrachloroplatinate(II) is a platinum coordination compound used as a starting material in chemical synthesis, platinum-based material research, catalysis, electroplating, and other specialized applications.
Also known as dipotassium tetrachloroplatinate, it contains platinum in the +2 oxidation state and has the molecular formula K₂PtCl₄. Its CAS number is 10025-99-7, and its molecular weight is approximately 415.1 g/mol.
For buyers, understanding its chemical identity, physical properties, application range, purity requirements, documentation, and packaging can help when comparing suppliers and requesting quotations.
Quick Facts About Potassium Tetrachloroplatinate (II)
| Property | Information |
|---|---|
| Chemical Name | Potassium tetrachloroplatinate(II) |
| CAS No. | 10025-99-7 |
| Molecular Formula | K₂PtCl₄ |
| Molecular Weight | 415.1 g/mol |
| Platinum Oxidation State | +2 |
| Appearance | Red to ruby-red solid |
| Solubility | Soluble in water |
| Common Synonyms | Dipotassium tetrachloroplatinate, potassium chloroplatinite |
| Main Uses | Chemical synthesis, platinum materials research, catalysis, electroplating |
- What Is Potassium Tetrachloroplatinate(II)?
- Why Does Purity Matter When Buying Potassium Tetrachloroplatinate(II)?
- Potassium Tetrachloroplatinate(II) Buying Guide
- What Should You Ask a Potassium Tetrachloroplatinate(II) Supplier?
- Safety and Handling Considerations
- How to Choose a Reliable Potassium Tetrachloroplatinate(II) Supplier
- Frequently Asked Questions
What Is Potassium Tetrachloroplatinate(II)?
Potassium tetrachloroplatinate(II) is an inorganic platinum compound consisting of potassium ions and the tetrachloroplatinate(II) complex. In simple terms, it provides a convenient source of Pt(II) for chemical reactions and material preparation.
The compound is commonly represented as K₂[PtCl₄]. The platinum center is coordinated by four chloride ligands, forming the square-planar tetrachloroplatinate(II) complex.
This chemical structure makes the compound useful as a starting material for preparing other platinum-containing compounds and functional materials.
For chemical buyers, the CAS number 10025-99-7 is particularly important because it helps distinguish this material from other platinum salts and related platinum complexes.
Potassium Tetrachloroplatinate(II) Properties
1. Chemical Formula and Molecular Weight
The molecular formula of potassium tetrachloroplatinate(II) is:K₂PtCl₄
Its molecular weight is approximately:415.1 g/mol
PubChem lists 415.1 g/mol as the molecular weight for the compound with CAS 10025-99-7.
For procurement, these basic identifiers should be checked against the supplier’s specification sheet and Certificate of Analysis (COA).
2. Appearance
Potassium tetrachloroplatinate(II) is generally described as a red or ruby-red solid. Commercial products may be supplied as a powder or crystalline material depending on the grade and supplier.
Appearance can be useful as a quick incoming inspection point, but it should not replace analytical testing when purity or trace-metal specifications are important.
3. Water Solubility
The compound is reported to be soluble in water.
This property is relevant when potassium tetrachloroplatinate(II) is used in aqueous chemical preparation or as a precursor in solution-based synthesis.
However, actual solubility behavior can depend on concentration, temperature, solution composition, and handling conditions. Buyers should refer to the applicable technical documentation for their intended process.
4. Platinum Content
Because potassium tetrachloroplatinate(II) contains platinum, its platinum content is an important consideration for material buyers.
For example, one commercial high-purity grade lists Pt ≥46.2% on its specification page.
The exact assay and impurity limits can vary between grades, so buyers should compare the actual COA and specification rather than relying only on the chemical name.
Potassium Tetrachloroplatinate(II) Applications
1. Platinum Compound Synthesis
One of its important roles is as a starting material for preparing other platinum-containing compounds.
Because it provides Pt(II) in a defined coordination environment, it can participate in ligand-exchange and related synthetic reactions.
This makes potassium tetrachloroplatinate(II) useful in coordination chemistry and platinum complex research.
2. Platinum Nanoparticle Synthesis
Potassium tetrachloroplatinate(II) can also serve as a platinum precursor in the preparation of platinum nanoparticles and related nanostructured materials.
Commercial technical information describes its use as a precursor for platinum nanoparticles and mesoporous platinum nanospheres.
The ability to introduce platinum into a controlled chemical system makes Pt(II) salts useful in materials research involving particle size, morphology, surface properties, and catalytic performance.
3. Catalysis Research
Platinum is widely studied for catalytic applications, and potassium tetrachloroplatinate(II) can act as a precursor for preparing platinum-containing catalysts.
Research and commercial application information includes its use in catalyst preparation and selective oxidation studies.
For researchers, the value of the material is often not the salt itself as the final catalyst, but its role as a controlled platinum source during catalyst synthesis.
4. Electroplating and Platinum Materials
Potassium tetrachloroplatinate(II) is also associated with electroplating and platinum material preparation. Commercial product information lists electroplating among its applications.
The actual suitability for a particular plating process depends on the formulation, operating conditions, purity requirements, and process specifications.
5. Advanced Materials Research
Platinum compounds are used in research involving:
- Nanomaterials
- Electrocatalysts
- Fuel-cell materials
- Platinum alloys
- Functional coordination compounds
- Optical and electronic materials
Potassium tetrachloroplatinate(II) has been reported as a starting material in several of these research areas.
For this reason, the compound can be relevant to both academic research and industrial R&D programs.
Why Does Purity Matter When Buying Potassium Tetrachloroplatinate(II)?
Purity is one of the first factors buyers should evaluate.
For platinum-containing materials, trace impurities can affect:
- Reaction performance
- Catalyst preparation
- Nanoparticle formation
- Electrochemical behavior
- Final material composition
- Reproducibility between batches
Commercial grades can differ considerably in purity and impurity limits. For example, Sigma-Aldrich lists grades ranging from 98% to high-purity trace-metal specifications, including a 99.99% trace-metal grade.
Therefore, buyers should not compare suppliers based on price alone.
Instead, compare:
Purity + impurity profile + documentation + packaging + batch consistency + supply capability
Potassium Tetrachloroplatinate(II) Buying Guide
If you are sourcing potassium tetrachloroplatinate(II) CAS 10025-99-7, the following points are worth confirming before placing an order.
1. Confirm the CAS Number
The first step is to confirm:
CAS No. 10025-99-7
This helps avoid confusion with other platinum salts and related compounds.
PubChem, Sigma-Aldrich and Fisher Scientific all identify CAS 10025-99-7 as potassium tetrachloroplatinate(II).
2. Confirm the Required Purity
Different applications require different purity levels.
For laboratory synthesis, standard reagent-grade material may be sufficient.
For:
- catalyst preparation
- nanoparticle synthesis
- electrochemical research
- advanced materials
- trace-metal-sensitive reactions
a higher-purity grade may be required.
Always specify your required purity before requesting a quotation.
3. Request a COA
A Certificate of Analysis (COA) is useful for checking the actual batch specification.
Depending on the supplier and product grade, a COA may include:
- Assay
- Platinum content
- Appearance
- Moisture or related parameters
- Trace metal impurities
- Batch number
- Testing date
Do not assume that two products with the same CAS number have identical specifications.
4. Ask About Packaging
Packaging should match the product’s value, quantity, transportation requirements, and intended use.
For small laboratory quantities, smaller sealed containers may be suitable.
For larger orders, buyers should discuss:
- Net weight
- Inner packaging
- Outer packaging
- Labeling
- Batch identification
- Transportation requirements
The packaging should also protect the material from contamination and inappropriate handling.
5. Confirm Documentation
Before purchasing, it is useful to ask which documents are available.
Depending on the supplier and destination, these may include:
- COA
- SDS
- Product specification
- Certificate of Origin
- Packing information
For international procurement, documentation can be just as important as the quoted price.
What Should You Ask a Potassium Tetrachloroplatinate(II) Supplier?
A simple supplier inquiry can include:
- Product: Potassium Tetrachloroplatinate(II)
- CAS: 10025-99-7
- Required purity: [your specification]
- Quantity: [your quantity]
- Packaging: [your requirement]
- Destination: [country/port]
- Required documents: COA / SDS / other documents
Providing these details allows suppliers to check the product specification, availability, packaging and shipping requirements more efficiently.
Safety and Handling Considerations
Potassium tetrachloroplatinate(II) should be handled according to the applicable SDS and local workplace requirements.
Current supplier SDS information classifies the material as hazardous and includes acute oral toxicity, skin irritation, serious eye damage, skin sensitization and respiratory sensitization classifications.
Appropriate laboratory controls may include suitable gloves, protective clothing and eye/face protection, together with measures to avoid breathing dust and to maintain adequate ventilation.
Important: The exact handling requirements should always be based on the SDS for the specific product and grade being purchased.
How to Choose a Reliable Potassium Tetrachloroplatinate(II) Supplier
Price is important, but it should not be the only factor when sourcing a platinum compound.
A practical supplier evaluation should include:
Product Identity
Does the supplier clearly provide:
- Product name
- CAS number
- Molecular formula
- Grade
- Purity
Quality Documentation
Can the supplier provide relevant:
- COA
- SDS
- Specification
- Batch information
Supply Capability
Can the supplier support your required:
- Quantity
- Packaging
- Delivery schedule
- Repeat orders
Communication
Can the supplier clearly answer questions about specifications, documentation and shipment?
For international B2B purchasing, these factors can help reduce misunderstandings before an order is placed.
Frequently Asked Questions
The CAS number is 10025-99-7. It is also known as dipotassium tetrachloroplatinate and potassium chloroplatinite.
Its molecular formula is K₂PtCl₄, with a molecular weight of approximately 415.1 g/mol.
It is used as a platinum precursor in chemical synthesis, platinum nanoparticle and advanced-material preparation, catalysis research and some electroplating applications.
Yes. PubChem describes potassium tetrachloroplatinate(II) as soluble in water.
Confirm the CAS number, purity, grade, impurity limits, COA, SDS, packaging, quantity and delivery requirements before placing an order.
--We are zhishangbio Focusing on biochemicals --
Patents & Honors
Shandong Zhishang Bio Co., Ltd
Zhishang Bio, a subsidiary of Zhishang Chemical Co., Ltd., was established in 2016 and is a new type of chemical enterprise that integrates research and development, production, and sales. Zhishang Bio always adheres to the concept of “integrity management, strict quality control, customer first”.
Through continuous efforts, significant breakthroughs have been made in industries such as pharmaceutical intermediates, pesticide intermediates, food additives, and cosmetic raw materials. The domestic trade team sells well throughout the country, while the foreign trade team is exported to more than 30 countries and regions including the United States, Russia, Spain, Brazil, and enjoys a global reputation.
Invited to participate in this exhibition, Zhishang Bio will comprehensively showcase the company’s strength and achievements in the research and development, production, and quality control of pharmaceutical and pesticide intermediates! At that time, our company will set up an CPHI exhibition at booth E12D29 at the venue, and we will take you to further understand our company’s advantageous products in detail!
You may also want to read
