Description

Octyl 4,4-Dibutyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannahexadecanoate is a specialized organotin compound with the CAS registry number 2781-09-1. This chemical is valued for its role as a stabilizer and catalyst in high-performance polymer formulations, offering enhanced thermal and processing stability. It is primarily utilized by manufacturers in the plastics, PVC, and specialty chemical synthesis industries seeking to improve material longevity and performance under demanding conditions.

Application

• PVC Stabilizer: Acts as a highly effective heat stabilizer in rigid and flexible polyvinyl chloride (PVC) formulations to prevent degradation during processing and extend product life.
• Polymer Catalyst: Serves as a catalyst or co-catalyst in polycondensation and polyurethane reactions, facilitating controlled polymer chain growth.
• Lubricant Additive: Used as an anti-wear and extreme pressure (EP) additive in advanced synthetic lubricants and greases.
• Silicone Cross-Linking Agent: Employed in the curing and cross-linking of silicone rubbers and resins to enhance their mechanical properties.
• Specialty Intermediate: Functions as a key synthetic intermediate for producing other organometallic compounds and fine chemicals.
• Wood Preservative Formulations: Incorporated into formulations designed to protect wood from fungal decay and insect damage.

Basic Information

Item	Detail
Product Name	Octyl 4,4-Dibutyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannahexadecanoate
CAS No.	2781-09-1
Molecular Formula	C28H56O3S2Sn
Molecular Weight	623.6 g/mol (approx.)
Synonyms	Dibutyltin Octyl Mercaptoacetate; Octyltin Mercaptoacetate; 2-Ethylhexyl Thioglycolate Dibutyltin; Dibutyltin Bis(2-ethylhexyl thioglycolate); DBTO; Dibutyltin Octylthioglycolate; Stabilizer T-250; Stanclere T-250
EINECS	Contact for details

Quality Control

Our production of Octyl 4,4-Dibutyl-7-Oxo-8-Oxa-3,5-Dithia-4-Stannahexadecanoate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer and industry specifications. Certificates of Analysis (COA) documenting purity, tin content, and other critical parameters are provided to guarantee traceability and consistency for your formulation needs.

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 heat sources, open flames, and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin 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.