Description

(Dimethylstannylene)Bis(Thioethylene) Bis(2-Ethylhexanoate) is a specialized organotin compound that serves as a highly effective catalyst and stabilizer in advanced polymer synthesis. This chemical matters for its ability to facilitate precise polycondensation and polyaddition reactions, offering superior control over polymer architecture and properties. Industries such as high-performance plastics, specialty coatings, and advanced material science rely on this compound to develop products with enhanced thermal stability, mechanical strength, and chemical resistance.

Application

• Catalyst for Polyurethane (PU) Foams and Elastomers: Acts as a key catalyst in the production of flexible and rigid PU foams, improving cell structure and curing kinetics.
• Stabilizer for PVC and Other Polymers: Provides excellent long-term heat stability and prevents degradation in polyvinyl chloride (PVC) and related halogen-containing polymers during processing.
• Cross-linking Agent for Silicones: Used in the curing of silicone rubbers and resins, enhancing their mechanical properties and thermal endurance.
• Intermediate for Organometallic Synthesis: Serves as a versatile building block for synthesizing more complex organotin compounds with tailored functionalities.
• Additive in Specialty Coatings and Adhesives: Improves the performance, durability, and adhesion properties of industrial coatings and high-strength adhesives.
• Catalyst for Transesterification Reactions: Employed in the production of polyesters and biodiesel, where it efficiently catalyzes ester exchange reactions.

Basic Information

Product Name	(Dimethylstannylene)Bis(Thioethylene) Bis(2-Ethylhexanoate)
CAS No.	67939-64-4
Molecular Formula	C24H46O4S2Sn
Molecular Weight	581.44 g/mol
Synonyms	Bis(2-ethylhexanoato-O)dimethylstannylene bis(thioethylene); Dimethyltin bis(2-ethylhexanoate) sulfide adduct; Tin, bis(2-ethylhexanoato-O)dimethyl-, sulfide-bridged; Organotin catalyst 67939-64-4; Dimethyltin(IV) bis(2-ethylhexanoate) sulfide complex; (Dimethylstannylene) sulfide bis(2-ethylhexanoate); Stabilizer T-250 (trade name variant); DMTEH
EINECS	Contact for details

Quality Control

Our production of (Dimethylstannylene)Bis(Thioethylene) Bis(2-Ethylhexanoate) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify chemical identity and potency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment. We operate under a cGMP-compliant quality management system, and our products meet relevant global regulatory standards for industrial and specialty chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 20.0 %
Purity (HPLC)	≥ 98.0 %
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (n20D)	1.480 - 1.510
Heavy Metals (as Pb)	≤ 10 ppm
Water Content (KF)	≤ 0.1 %

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