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Non-toxic bismuth-based alternative to traditional heavy-metal catalysts (e.g., lead, tin, mercury).
High catalytic activity in polyester and polyacrylate condensation reactions at moderate temperatures.
Excellent thermal stability up to 220 °C, minimizing decomposition during high-temperature processing.
Low volatility and negligible migration, supporting compliance with global food-contact and RoHS regulations.
Easy dispersion in polar organic solvents and polymer melts without pre-treatment or surface modification.
Polyester resin synthesis for coatings, adhesives, and industrial composites.
Catalysis of transesterification in bio-based polyol production (e.g., from vegetable oils).
Condensation curing of alkyd resins used in architectural and automotive refinish paints.
Accelerated esterification in high-solids and solvent-free coating formulations.
Co-catalyst in hybrid systems with titanium or zirconium compounds for enhanced selectivity and reduced side reactions.
| Chemical Type | Bismuth carboxylate complex |
| Product Form | Free-flowing pale yellow to light amber powder |
| Appearance | Homogeneous fine particulate solid |
| Bismuth Content (as Bi) | 58–62 wt.% |
| Solubility | Freely soluble in xylene, toluene, and glycol ethers; dispersible in molten polyols |
| Storage Stability | Stable for ≥24 months under dry, cool (≤25 °C), inert-atmosphere conditions |
| Key Features | Heavy-metal-free, low-odor, non-corrosive, REACH-compliant |
| Primary Applications | Polyester synthesis, alkyd curing, bio-polyol production, high-solids coatings |
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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
