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

Shepherd BiCAT H Bismuth Catalyst

Shepherd BiCAT H Bismuth Catalyst is a high-performance, non-toxic bismuth-based homogeneous catalyst from Shepherd Chemical’s BiCAT H series, designed for selective esterification and transesterification in green chemistry applications, offering superior activity, thermal stability, and compliance with REACH/ROHS regulations without heavy-metal alternatives.
  • shepherd bicat h bismuth catalyst_69abc6ea
  • shepherd bicat h bismuth catalyst_69abc6ea

Features Of Shepherd BiCAT H Bismuth Catalyst

  1. Highly selective bismuth-based catalyst enabling precise control in polycondensation reactions.

  2. Low toxicity profile compared to traditional heavy-metal catalysts such as lead or tin compounds.

  3. Thermally stable up to 220°C, supporting high-temperature polymerization processes without premature decomposition.

  4. Water-tolerant formulation, allowing consistent performance in moisture-sensitive synthesis environments.

  5. Compatible with standard industrial processing equipment and scalable from lab to production batch sizes.

Typical Applications Of Shepherd BiCAT H Bismuth Catalyst

  1. Polyester synthesis, including PET and PBT precursors.

  2. Polyurethane elastomer production requiring low-color, low-odor catalysts.

  3. Bio-based polyesters derived from renewable feedstocks (e.g., PLA copolymerization).

  4. Coating resins where metal residue limits must comply with FDA or EU food-contact regulations.

  5. Adhesive formulations demanding minimal catalytic residue and enhanced shelf-life stability.

Specifications Of Shepherd BiCAT H Bismuth Catalyst

Chemical TypeBismuth carboxylate complex
Product FormLiquid solution in aromatic hydrocarbon carrier
AppearanceClear, amber-colored liquid
Bismuth Content (wt%)8.0–9.5%
Viscosity (25°C, mPa·s)45–75
Density (20°C, g/cm³)1.12–1.18
pH (1% aqueous dispersion)5.0–6.5
Storage Stability≥24 months under sealed, dry, room-temperature conditions


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