Description

6,6-Dibutyl-4,4,8,8-Tetraethoxy-3,5,7,9-Tetraoxa-4,8-Disila-6-Stannaundecane is a specialized organotin compound featuring a unique heterocyclic structure that integrates silicon and tin centers. This compound is valued for its role as a precursor or catalyst in advanced material synthesis, particularly in the development of hybrid organic-inorganic polymers and coatings. It is primarily sought by R&D and production teams in the electronics, specialty polymer, and advanced ceramics sectors for creating materials with tailored thermal and mechanical properties.

Application

• Catalyst/Precursor for Hybrid Polymers: Used in sol-gel processes to synthesize silicon- and tin-containing hybrid organic-inorganic polymers for advanced coatings and composites.
• Electronic Materials: Serves as a key intermediate in the production of dielectric layers, passivation coatings, or other functional materials for semiconductor and microelectronic applications.
• Surface Modification Agent: Employed to modify the surface properties of inorganic fillers (e.g., silica, glass) to improve compatibility and dispersion in polymer matrices.
• Specialty Additive for Resins: Functions as a cross-linking agent or property modifier in high-performance epoxy, silicone, or other thermoset resin systems.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new metal-organic frameworks (MOFs), catalysts, and novel material chemistries.
• Adhesive and Sealant Formulations: Can be incorporated to enhance the thermal stability, moisture resistance, or adhesion properties of high-end industrial adhesives.

Basic Information

Item	Detail
Product Name	6,6-Dibutyl-4,4,8,8-Tetraethoxy-3,5,7,9-Tetraoxa-4,8-Disila-6-Stannaundecane
CAS No.	87735-26-0
Molecular Formula	C20H46O8Si2Sn
Molecular Weight	577.45 g/mol
Synonyms	Dibutyltin bis(triethoxysilyl ethyl acetoacetate); 2,2'-[Dibutylstannylene]bis[4-[(triethoxysilyl)methyl]-2,4-dioxapentane]; Stannane, 1,1-dibutyl-1,1-bis[2-[(triethoxysilyl)methyl]-1,3-dioxo-2-propanyl]-; Organotin silane coupling agent; Tin(IV) bis(acetoacetate triethoxysilane) derivative; DBTL-TES; AcAc tin silane adduct
EINECS	Contact for details

Quality Control

Our production of 6,6-Dibutyl-4,4,8,8-Tetraethoxy-3,5,7,9-Tetraoxa-4,8-Disila-6-Stannaundecane adheres to a rigorous quality management system. Each batch is analytically verified to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, tin content, and solvent residues is provided to guarantee the material meets your precise research or production requirements.

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). Keep away from strong bases and incompatible materials. Due to its sensitivity to light and moisture, containers should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain optimal stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (NMR/Titration)	≥ 95.0%
Tin (Sn) Content	20.0 - 21.5 %
Silicon (Si) Content	9.5 - 10.5 %
Residual Solvents (GC)	≤ 1.0%
Density (at 20°C)	~1.10 g/mL

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