Ammonium tetrachloropalladate(II)
Ammonium tetrachloropalladate(II), CAS 13820-40-1, with the linear formula (NH4)2PdCl4 and a molecular weight of 284.31 g/mol, is a solid palladium salt. It is primarily utilised in chemical synthesis and as a precursor in materials science, particularly for the preparation of palladium-based catalysts and advanced materials. Its well-defined properties make it a reliable reagent for various research and industrial applications requiring palladium compounds.
- IUPAC
- Palladium(II)-ammonium chloride

Catalyst Precursor
Ammonium tetrachloropalladate(II) serves as a key precursor for the synthesis of various palladium-based catalysts. These catalysts are vital in numerous organic transformations, including cross-coupling reactions.
Materials Science
It is employed in materials science for the development of novel palladium-containing materials. This can include thin films, nanoparticles, and composites with specific electronic or catalytic properties.
Chemical Synthesis
As a source of palladium(II) ions, this compound is used in diverse synthetic chemistry procedures. It facilitates the introduction of palladium into organic molecules or the formation of palladium complexes.
Research and Development
This reagent is indispensable in research laboratories for exploring new chemical reactions, developing analytical methods, and investigating the properties of palladium compounds.
| Molecular weight | 284.31 |
|---|---|
| Linear formula | (NH4)2PdCl4 |
| Assay | 97% |
| Form | solid |
| Density | 2.17 g/mL at 25 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-27-28-36/39 |
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 Ammonium tetrachloropalladate(II) used for?
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Ammonium tetrachloropalladate(II) is used as a precursor for palladium-based catalysts, in materials science for developing palladium-containing materials, in general chemical synthesis, and for research and development purposes.
What is the CAS number and formula for Ammonium tetrachloropalladate(II)?
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The CAS number is 13820-40-1 and the linear formula is (NH4)2PdCl4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium tetrachloropalladate(II) at a purity of 97%. This product is suitable for general laboratory and research use. We do not represent it as USP, BP, or EP grade.
How should Ammonium tetrachloropalladate(II) be handled safely?
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Ammonium tetrachloropalladate(II) is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation. Appropriate personal protective equipment, including gloves, eye protection, and a dust mask or respirator, should be used. Handle in a well-ventilated area.
How is Ammonium tetrachloropalladate(II) packed and shipped?
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Ammonium tetrachloropalladate(II) is carefully packed to ensure stability during transit. As a global supplier, Tech Serve Solutions adheres to all relevant shipping regulations for chemical exports.
How can I request a quote or sample for Ammonium tetrachloropalladate(II)?
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To request a quote or sample, please contact our sales team through the website or by phone. Provide the product name, CAS number (13820-40-1), and the quantity required.
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