Description

2-Ethylhexyl [(Butylthioxostannyl)Thio]Acetate is a specialized organotin compound with the CAS number 26821-65-8. This chemical is valued for its role as a highly effective stabilizer and catalyst in polymer manufacturing processes. It is primarily required by industries focused on producing durable, high-performance PVC and other halogenated polymers where thermal and light stability are critical.

Application

• Primary Stabilizer for PVC: Used as a highly efficient heat stabilizer in the production of rigid and flexible polyvinyl chloride (PVC) products, including pipes, profiles, and cables.
• Catalyst for Polyurethane Foams: Acts as a catalyst in the formulation of flexible and rigid polyurethane foams, promoting consistent cell structure and curing.
• Additive for Silicone Rubbers: Employed as a cross-linking agent or catalyst in the curing of high-temperature silicone elastomers.
• Stabilizer for Other Polymers: Provides stabilization against thermal degradation in other halogen-containing polymers and copolymers.
• Intermediate for Chemical Synthesis: Serves as a key intermediate in the synthesis of more complex organotin compounds for specialized applications.

Basic Information

Product Name	2-Ethylhexyl [(Butylthioxostannyl)Thio]Acetate
CAS No.	26821-65-8
Molecular Formula	C₁₆H₃₂O₂S₂Sn
Molecular Weight	439.27 g/mol
Synonyms	2-Ethylhexyl thioglycolate butyltin sulfide; Butyltin tris(2-ethylhexyl thioglycolate); Butyltin tris(isooctyl thioglycolate); Stabilizer T-250; Tinuvin 123; (Butylthioxostannyl)thioacetic acid 2-ethylhexyl ester; Isooctyl thioglycolate butyltin sulfide; PVC heat stabilizer T-250
EINECS	Contact for details

Quality Control

Our production of 2-Ethylhexyl [(Butylthioxostannyl)Thio]Acetate adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 26.5 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.490 - 1.510
Heavy Metals (as Pb)	≤ 10 ppm

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