Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Info
Name: Palladium(II) acetate
Alias: Palladium diacetate, Pd(OAc)?
CAS No.: 3375-31-3
Molecular Formula: Pd(C2H3O2)2
Molecular Weight: 224.51
2. Physical & Chemical Properties
Physical Properties
- Appearance: Orange-brown crystalline powder
- Odor: Faint acetic acid odor
- Solubility: Soluble in chloroform, dichloromethane, acetone, toluene; slightly soluble in ethanol; insoluble in water, hexane
- Melting Point: Decomposes at ~205 ℃ without clear melting point
- Density: ~2.0 g/cm3
- Hygroscopy: Slightly hygroscopic; hydrolyzes slowly in humid air
- Crystal feature: Exists as trimer cluster Pd?(OAc)? in solid and solution state
Chemical Properties
- Structure: Trimeric palladium carboxylate complex, bridging acetate ligands linking three Pd(II) centers
- Catalytic activity: Universal Pd(II) precatalyst for cross-coupling reactions
- Reduction property: Easily reduced to metallic Pd(0) by phosphines, alkenes, alcohols, hydride reagents
- Ligand exchange: Acetate groups readily displaced by phosphines, amines, halides, N-heterocyclic carbenes
- Hydrolysis: Contact with water slowly generates palladium oxide precipitate and acetic acid
- Thermal decomposition: Above 200 ℃ decomposes into Pd metal, CO?, acetone, acetic acid vapor
- Photostability: Darkens under prolonged light exposure; store light-proof
- Compatibility: Compatible with anhydrous organic solvents; incompatible with water, strong reducing agents, ammonia, strong alkali
3. Main Application Fields
1. Organic Synthesis Catalyst (Core Application)
- Cross-coupling reactions: Suzuki, Heck, Sonogashira, Buchwald-Hartwig coupling
- C–H activation, alkene cyclization, oxidation, carbonylation catalytic reactions
- Precursor to phosphine palladium catalysts (Pd(PPh?)?, PdCl?(PPh?)? etc.)
2. Electronic Industry Plating Precursor
Raw material for preparing palladium electroplating solutions; deposition of thin Pd film on circuit boards, electronic contacts for anti-corrosion and conductivity improvement
3. Hydrogenation & Dehydrogenation Catalyst
Homogeneous catalyst for fine chemical hydrogenation of olefins, carbonyl compounds; dehydrogenation of saturated heterocycles
4. Material Chemistry Research
Precursor for synthesizing Pd nanoparticles, palladium-based MOF catalysts, supported metal catalysts
5. Laboratory Analytical Standard
Palladium standard stock solution preparation raw material for ICP metal element detection
4. Quality Specification Table
| Test Item | Standard Index |
| CAS Number | 3375-31-3 |
| Molecular Formula | Pd(C2H3O2)2 |
| Molecular Weight | 224.51 |
| Appearance | Orange-brown crystal powder |
| Pd Metal Content | 46.0–47.0% |
| Purity (Pd Assay) | Catalyst Grade ≥99.0%; Ultra-pure Grade ≥99.9% |
| Moisture Content | ≤0.20% |
| Residue Insoluble in CH2Cl2 | ≤0.10% |
| Heavy Metal Impurities (Pt, Au, Ni, Cu) | ≤10 ppm each |
| Bulk Package | Aluminum foil vacuum bag / amber glass bottle under nitrogen seal |
| Storage Condition | Hermetic, nitrogen-filled, light-proof, cool dry warehouse ≤25℃; isolate water, reducing substances |
| Transportation Rule | Precious metal catalyst solid, sealed moisture-proof light-proof packaging |
| Shelf Life | 24 months under intact nitrogen-sealed packaging |
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