Description

(Dibutylstannylene)Bis(Thioethane-1,2-Diyl) Dioctanoate is a specialized organotin compound with the CAS number 67874-42-4. This chemical is valued for its role as a highly effective catalyst and stabilizer in advanced polymer synthesis and material science applications. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Primary catalyst in polyurethane (PU) and polycarbonate synthesis.
• Stabilizer and catalyst in silicone rubber and high-temperature elastomer production.
• Key intermediate for the synthesis of other functional organotin compounds.
• Additive in PVC stabilization formulations to improve heat resistance.
• Cross-linking agent and catalyst in condensation polymerization reactions.
• Used in the manufacture of high-performance coatings and adhesives.
• Component in research and development of novel polymeric materials.

Basic Information

Product Name	(Dibutylstannylene)Bis(Thioethane-1,2-Diyl) Dioctanoate
CAS No.	67874-42-4
Molecular Formula	C28H54O4S2Sn
Molecular Weight	637.6 g/mol
Synonyms	Dibutyltin Bis(2-mercaptoethyl) Octanoate; Dibutyltin Bis(2-mercaptoethyl) Caprylate; 2,2'-[Dibutylstannylene]bis(thioethane-1,2-diyl) dioctanoate; Dioctanoic Acid 2,2'-[Dibutylstannylene]bis(thioethane-1,2-diyl) Ester; Organotin Catalyst 67874-42-4; DBTO; Dibutyltin Mercaptoethyl Octanoate; Tin-based Polyurethane Catalyst
EINECS	Contact for details

Quality Control

Our (Dibutylstannylene)Bis(Thioethane-1,2-Diyl) Dioctanoate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer and industry specifications. A comprehensive Certificate of Analysis (COA) 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, well-ventilated area at room temperature (15-25°C) under an inert atmosphere to prevent oxidation. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Sn content)	≥ 18.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.490 - 1.510

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