Description

Butyl(3-Hydroxybutyl)Tin Dilaurate is a specialized organotin compound that serves as a highly effective catalyst and stabilizer in various polymerization processes. Its unique structure provides excellent thermal stability and catalytic activity, making it a critical component for manufacturers seeking to enhance product performance and process efficiency. This chemical is essential for producers in the plastics, coatings, and specialty polymer industries who require reliable and consistent catalytic performance.

Application

• Polyurethane (PU) Foam Catalyst: Acts as a key catalyst in the production of flexible and rigid polyurethane foams, controlling the gelling and blowing reactions for optimal foam structure and properties.
• Polymer Stabilizer: Used as a heat stabilizer in PVC and other halogen-containing polymers to prevent degradation during high-temperature processing and extend product lifespan.
• Silicone Cross-linking Agent: Facilitates the cross-linking (curing) of silicone polymers in sealants, adhesives, and elastomers, improving their mechanical strength and thermal resistance.
• Esterification & Transesterification Catalyst: Employed in the synthesis of plasticizers, lubricants, and biodiesel, where it promotes efficient ester formation under mild conditions.
• Specialty Coatings & Inks: Enhances the curing characteristics and final film properties of high-performance coatings, printing inks, and resin systems.
• Adhesive Formulations: Improves the curing speed and bond strength in various industrial and construction adhesive applications.

Basic Information

Product Name	Butyl(3-Hydroxybutyl)Tin Dilaurate
CAS No.	153759-62-7
Molecular Formula	C40H80O5Sn
Molecular Weight	751.76 g/mol
Synonyms	Butyl(hydroxybutyl)tin dilaurate; Dibutyltin dilaurate derivative; Hydroxybutyltin dilaurate; Tin-based polymerization catalyst; Organotin catalyst; DBTL derivative; Esterification catalyst; Stabilizer 123 (trade name variant); Bis(dodecanoyloxy)(butyl)(3-hydroxybutyl)stannane (IUPAC)
EINECS	Contact for details

Quality Control

Our Butyl(3-Hydroxybutyl)Tin Dilaurate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards for organometallic catalysts and stabilizers. Comprehensive quality testing, including assay, tin content, and impurity profile analysis, is performed. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture, which can affect product performance. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms
Assay (Tin content)	≥ 15.0 %
Purity (HPLC)	≥ 95.0 %
Water Content (KF)	≤ 0.5 %
Specific Gravity (20°C)	1.00 - 1.10
Refractive Index (20°C)	1.470 - 1.490

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.