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Highly selective palladium-based heterogeneous catalyst optimized for cross-coupling reactions.
Thermally stable up to 200 °C, enabling robust performance in extended batch processes.
Low metal leaching (<0.5 ppm Pd in filtrate), ensuring product purity and compliance with pharmaceutical standards.
Easy-to-handle dry powder form with consistent particle size distribution for uniform dispersion.
Compatible with common industrial solvents including toluene, THF, and DMF without significant deactivation.
Pharmaceutical intermediate synthesis via Suzuki-Miyaura coupling.
Agrochemical active ingredient manufacturing involving aryl-aryl bond formation.
Electronic materials production, including conjugated polymer precursors for OLEDs.
Specialty polymer synthesis requiring high-fidelity C–C bond construction under mild conditions.
Custom fine chemical development for contract research and manufacturing organizations (CRMOs).
| Chemical Type | Palladium(II) complex on high-surface-area carbon support |
| Product Form | Free-flowing black powder |
| Appearance | Uniform dark gray to black granular solid |
| Palladium Content | 5.0 ± 0.3 wt% (as measured by ICP-OES) |
| Primary Applications | Suzuki, Heck, and Stille cross-coupling reactions |
| Key Features | Air-stable; no glovebox handling required |
| Storage Conditions | Store under inert atmosphere at 2–8 °C; protect from moisture |
| Shelf Life | 24 months from date of manufacture when stored properly |
Q1: What is the primary function of N-1323 in polyurethane systems?
A: N-1323 is a highly selective tertiary amine catalyst designed to promote the urethane reaction (isocyanate–polyol coupling) while minimizing unwanted side reactions such as trimerization or excessive foam rise. It is commonly used in flexible slabstock, molded foam, and integral skin applications where balanced reactivity and fine cell structure control are required.
Q2: How does N-1323 compare to traditional amine catalysts like DABCO® 33-LV or TEDA?
A: Unlike strongly gelling catalysts, N-1323 offers enhanced selectivity for the urethane reaction over the gelation pathway, resulting in improved flow and cream time control without sacrificing demold strength. Its lower volatility and reduced odor profile also support safer handling and improved workplace air quality compared to many conventional liquid amines.
Q3: Is N-1323 compatible with water-blown and low-VOC formulations?
A: Yes — N-1323 demonstrates good compatibility with water-blown systems and performs effectively in low-VOC and high-solids formulations. Its formulation flexibility supports compliance with evolving environmental requirements, though final suitability should be confirmed through application-specific testing.
Q4: What is the typical dosage range for N-1323 in standard flexible foam applications?
A: Dosage is formulation-dependent, but N-1323 is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to the polyol component. Optimal levels depend on system reactivity, desired processing window, and physical performance targets, and should be determined via laboratory-scale trials.
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