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Highly selective palladium-based heterogeneous catalyst for controlled C–N coupling reactions.
Thermally stable up to 220 °C, enabling robust performance in elevated-temperature batch and continuous processes.
Low leaching profile (<0.1 ppm Pd in filtrate), ensuring product purity and reducing metal contamination risks.
Engineered with optimized surface area (85–105 m²/g) and narrow particle size distribution for consistent mass transfer and reproducible kinetics.
Compatible with common industrial solvents including toluene, THF, DMF, and 2-MeTHF—no special handling or inert atmosphere required.
Pharmaceutical intermediate synthesis, especially Buchwald–Hartwig aminations of aryl halides.
Agrochemical active ingredient manufacturing involving heteroaryl amine couplings.
Electronic materials production, including conductive polymer precursors and OLED building blocks.
Fine chemical synthesis requiring high functional group tolerance and minimal side-reactions.
Flow chemistry applications in packed-bed reactors for scalable, continuous API production.
| Chemical Type | Palladium on carbon (Pd/C), modified with proprietary ligand stabilization |
| Product Form | Free-flowing black granular solid |
| Appearance | Uniform black granules, no dust or fines |
| Palladium Content | 5.0 ± 0.3 wt% |
| Moisture Content | ≤ 1.5 wt% (as received) |
| Primary Applications | C–N, C–O, and C–S cross-coupling reactions |
| Key Features | Heterogeneous, recyclable, air-stable (under ambient storage conditions) |
| Benefits | Reduced catalyst loading, simplified workup, compliant with ICH Q3D elemental impurity guidelines |
Q1: What is the primary function of N-5076 in polyurethane systems?
A: N-5076 is a selective amine-based catalyst designed to promote urethane (polyol–isocyanate) reactions while providing balanced control over gelation and blowing kinetics—particularly beneficial in flexible slabstock and molded foam applications.
Q2: Is N-5076 compatible with common polyurethane formulation components?
A: Yes, N-5076 demonstrates good compatibility with conventional polyols (including polyester and polyether types), aromatic and aliphatic isocyanates, physical blowing agents, and auxiliary catalysts—though optimal performance should be verified in the final formulation matrix.
Q3: How should N-5076 be handled and stored?
A: Store in tightly sealed containers under inert atmosphere (e.g., nitrogen) at temperatures between 15°C and 30°C. Protect from moisture, strong oxidizing agents, and prolonged exposure to air to maintain catalytic activity and shelf life.
Q4: Can N-5076 be used in low-emission or low-VOC foam systems?
A: N-5076 is formulated to support reduced emissions profiles when integrated into optimized low-VOC systems; however, final emission characteristics depend on the full formulation, processing conditions, and post-cure protocols.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
