Description

Dihydro-2,2-Dioctyl-6H-1,3,2-Oxathiastannin-6-One is a specialized organotin compound with the CAS number 3033-29-2. This chemical is valued for its role as a highly effective stabilizer and catalyst in polymer synthesis and modification processes. It is primarily required by manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material performance and processing stability.

Application

• As a heat stabilizer for polyvinyl chloride (PVC) and other halogenated polymers.
• As a catalyst in polyurethane (PU) foam production and other condensation polymerization reactions.
• As an additive in lubricant and grease formulations to improve thermal and oxidative stability.
• As a stabilizing agent in silicone rubber and other elastomer systems.
• In the synthesis of specialty intermediates for agrochemicals and pharmaceuticals.
• As a cross-linking agent or modifier in advanced coating and adhesive systems.

Basic Information

Product Name	Dihydro-2,2-Dioctyl-6H-1,3,2-Oxathiastannin-6-One
CAS No.	3033-29-2
Molecular Formula	C18H36O2SSn
Molecular Weight	427.23 g/mol
Synonyms	Dioctyltin Mercaptide; Dioctyltin β-Mercaptopropionate; Dioctyltin 3-Mercaptopropionate; 2,2-Dioctyl-1,3,2-oxathiastannepin-6-one; Dioctyltin Mercaptoacetate derivative; DOTG Stabilizer; Thermolite 890; Stanclere T-2500
EINECS	221-219-8

Quality Control

Our Dihydro-2,2-Dioctyl-6H-1,3,2-Oxathiastannin-6-One is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, tin content, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistency and compliance with your formulation 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 oxidizing agents, strong acids, and strong bases. The product is moisture-sensitive; ensure containers are sealed after use to prevent degradation.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 27.5 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.05 - 1.15
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.