Description

Tetrakis(Acetoxydibutylstannyloxy)Silane is a specialized organotin silane compound with the CAS number 61746-04-1. This chemical serves as a highly effective cross-linking agent and catalyst, valued for its ability to promote adhesion and enhance the thermal stability of polymer systems. It is primarily sought by manufacturers in the silicone rubber, sealant, and adhesive industries, where it is used to improve product performance and durability.

Application

• As a key cross-linking agent in the production of high-temperature silicone elastomers and rubbers.
• As a catalyst and adhesion promoter in one-part and two-part room-temperature vulcanizing (RTV) silicone sealants.
• To enhance the thermal and mechanical properties of specialty silicone-based coatings and resins.
• In the formulation of pressure-sensitive adhesives (PSAs) requiring improved heat resistance.
• As a surface modifier and coupling agent for fillers within polymer composites.
• In the synthesis of advanced organometallic compounds and materials for research and development.

Basic Information

Product Name	Tetrakis(Acetoxydibutylstannyloxy)Silane
CAS No.	61746-04-1
Molecular Formula	C36H72O12Sn4Si
Molecular Weight	1248.2 g/mol
Synonyms	Silane, tetrakis[(acetoxydibutylstannyl)oxy]-; Tetrakis(acetoxydibutylstannoxy)silane; Tetra(acetoxydibutyltinoxy)silane; DBTA; Tetraacetoxydibutylstannyloxysilane; Acetoxydibutyltin Silicate; Dibutyltin Acetate Silane Adduct; Cross-linking agent DBTA
EINECS	Contact for details

Quality Control

Our Tetrakis(Acetoxydibutylstannyloxy)Silane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, potency, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing assay, tin content, and specific impurity limits is provided with every shipment to support your quality assurance processes.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 36.0 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.25 - 1.35
Refractive Index (20°C)	1.480 - 1.500

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