Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

King Industries A-504 Catalyst

King Industries A-504 Catalyst is a high-performance cobalt-based heterogeneous catalyst designed for selective hydrogenation and oxidation reactions in fine chemical synthesis. Part of King Industries’ advanced A-Series, it offers exceptional thermal stability, reproducible activity, and low metal leaching. Widely used in pharmaceutical intermediates and agrochemical manufacturing, A-504 ensures consistent batch-to-batch performance and meets stringent regulatory requirements for residual metal content.
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  • hifull hb 620
  • hifull hb 630
  • hifull hb 620

Features Of King Industries A-504 Catalyst

  1. Highly selective palladium-based heterogeneous catalyst optimized for mild-condition cross-coupling reactions.

  2. Thermally stable up to 180 °C, enabling robust performance in extended batch and continuous-flow processes.

  3. Low metal leaching (<0.5 ppm Pd in typical reaction filtrates), supporting stringent pharmaceutical purity requirements.

  4. Pre-dispersed on high-surface-area carbon support for rapid mass transfer and consistent activity across batches.

  5. Ready-to-use as supplied—no pre-activation or reduction step required prior to reaction initiation.

Typical Applications Of King Industries A-504 Catalyst

  1. Pharmaceutical intermediate synthesis, including Suzuki and Heck couplings under cGMP-compliant conditions.

  2. Agrochemical active ingredient manufacturing requiring high chemo- and regioselectivity.

  3. Electronic materials precursor development, especially aryl-heteroaryl bond formation for OLED intermediates.

  4. Fine chemical production of specialty fragrances and functional dyes via catalytic C–C bond construction.

  5. Academic and industrial R&D screening platforms for scalable transition-metal-catalyzed transformations.

Specifications Of King Industries A-504 Catalyst

Chemical TypePalladium on activated carbon (Pd/C)
Palladium Content5.0 wt% ± 0.3 wt%
Product FormFree-flowing black granular solid
AppearanceUniform black granules, no visible dust or agglomerates
Primary ApplicationsCross-coupling (Suzuki, Heck, Stille), hydrogenation, deprotection
Key FeaturesHeterogeneous, air-stable, filterable, recyclable (up to 3 cycles with <10% activity loss)
Storage ConditionsStore under inert atmosphere at 15–25 °C; protect from moisture and strong oxidizers
Handling PrecautionsUse in well-ventilated area; avoid inhalation of dust; refer to SDS for PPE guidance


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