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Highly selective hydrogenation catalyst for fine chemical synthesis.
Robust thermal and chemical stability under continuous industrial operation.
Optimized metal dispersion and support morphology for consistent activity retention.
Low leaching risk ensuring product purity and regulatory compliance (e.g., ICH Q3D).
Designed for easy handling, regeneration, and integration into fixed-bed reactor systems.
Hydrogenation of nitroarenes to aromatic amines in pharmaceutical intermediates.
Selective reduction of unsaturated aldehydes and ketones in agrochemical synthesis.
Catalytic saturation of alkynes to cis-alkenes in specialty polymer precursors.
Debenzylation of protected amino groups in peptide and nucleotide manufacturing.
| Chemical Type | Palladium on activated carbon |
| Product Form | Extruded cylindrical pellets (T5×3 mm) |
| Appearance | Black, free-flowing granular solid |
| Palladium Loading | 3.0 wt% ± 0.2 wt% |
| Carbon Support Surface Area | ≥ 900 m²/g |
| Moisture Content | ≤ 5.0 wt% |
| Ignition Loss (550 °C) | ≤ 15.0 wt% |
| Primary Applications | Selective hydrogenation in pharma & agrochemical manufacturing |
Q1: What is the primary function of the PuriStar R3-11G T5x3 catalyst in polymer processing?
A: PuriStar R3-11G T5x3 is a specialized transition metal-based catalyst designed to promote controlled deactivation or scavenging of residual catalysts and impurities—particularly in polyolefin systems—thereby enhancing polymer stability, clarity, and long-term color retention during melt processing and end-use.
Q2: Is this catalyst suitable for food-contact or pharmaceutical-grade polymer applications?
A: PuriStar R3-11G T5x3 is formulated for high-purity performance and is commonly selected in applications requiring low extractables and minimal impact on organoleptic properties. Its suitability for regulated applications depends on final formulation validation and compliance with relevant regional food-contact or pharmaceutical guidelines—BASF recommends conducting full regulatory assessment in collaboration with end-product developers.
Q3: How is PuriStar R3-11G T5x3 typically incorporated into polymer systems?
A: It is generally introduced during compounding—either as a masterbatch or via direct dry-blend—prior to extrusion or injection molding. Due to its thermal stability and compatibility with polyolefins, it remains effective under standard melt-processing conditions without premature decomposition or volatilization.
Q4: Does this catalyst require activation or special handling before use?
A: No pre-activation is required. PuriStar R3-11G T5x3 is supplied as a free-flowing, ready-to-use solid. For optimal performance, it should be stored in a cool, dry environment and protected from prolonged exposure to moisture or ambient air prior to incorporation.
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