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USi-4101 — Butylchlorotin Dihydroxide
Non-Acidic Solid Catalyst for High-Temperature Esterification
📄 Product Description
- Chemical Name: Butylchlorotin Dihydroxide
- CAS Registry Number: 13355-96-9
- Molecular Formula: C₄H₉ClO₂Sn (polymeric structure in solid state)
- Physical Form: White free-flowing powder
(Note: The compound exists as a polymeric solid; representative structural diagrams available upon request.)
📊 Specifications
⚠️ The following values are typical and provided for reference only. Not to be used for specification or quality acceptance without prior written confirmation from our technical team.
Parameter Specification Appearance White powder Tin Content (%) 46.0 – 51.0 Loss on Drying (%) ≤ 2.0 Chloride (%) 13.8 – 15.2
🌐 Applications
USi-4101 is a non-acidic, thermally stable organotin catalyst uniquely suited for high-temperature esterification processes (200–230 °C):
- Dissolves in situ upon heating with alcohols or carboxylic acids, forming an active catalytic species that remains fully soluble in the final ester product
- Leaves no acidic residues, ensuring product stability and compatibility in sensitive applications
- Ideal for synthesizing:
- Trioctyl Trimellitate (TOTM) – a high-performance plasticizer for wire & cable insulation
- Saturated & Unsaturated Polyesters – used in coatings, composites, and resins
Its clean reaction profile and ease of integration make USi-4101 a preferred choice for premium ester production.
📦 Packaging
- 25 kg per metal or fiber (paper) drum
- Sealed under dry nitrogen or moisture-barrier lining to ensure stability
(Bulk packaging options available for industrial customers)
🛡️ Storage Recommendation
- Store in a cool, dry, and well-ventilated area
- Keep container tightly closed to prevent moisture absorption
- Recommended shelf life: 12 months in original unopened packaging
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