Description

Dimethyl 10,10-Dibutyl-5,15-Dioxo-6,14-Dioxa-9,11-Dithia-10-Stannanonadecanedioate is a specialized organotin compound with a complex molecular structure designed for high-performance applications. This chemical matters as a versatile intermediate and functional additive, offering unique properties derived from its tin and sulfur-containing heterocyclic framework. It is primarily needed by manufacturers in the polymer, specialty chemical, and material science industries seeking advanced performance modifiers.

Application

• Polymer Stabilizer: Acts as a heat and light stabilizer in PVC and other halogenated polymers to prevent degradation during processing and end-use.
• Catalyst Intermediate: Serves as a precursor or ligand in the synthesis of catalysts for polyurethane (PU) and silicone rubber production.
• Crosslinking Agent: Used in the curing and crosslinking of specialty elastomers and high-temperature resins to enhance mechanical properties.
• Antifouling Agent: A key bioactive component in marine antifouling coatings for ships and underwater structures.
• Wood Preservative: Employed as a fungicidal and insecticidal agent in wood treatment formulations for long-term protection.
• Specialty Additive: Functions as a performance additive in lubricants and greases to improve extreme pressure (EP) and anti-wear characteristics.

Basic Information

Product Name	Dimethyl 10,10-Dibutyl-5,15-Dioxo-6,14-Dioxa-9,11-Dithia-10-Stannanonadecanedioate
CAS No.	70942-34-6
Molecular Formula	C₂₃H₄₂O₆S₂Sn
Molecular Weight	605.43 g/mol
Synonyms	10,10-Dibutyl-5,15-dioxo-6,14-dioxa-9,11-dithia-10-stannanonadecanedioic acid dimethyl ester; Dibutyltin bis(isooctyl thioglycolate) derivative; Organotin stabilizer 70942-34-6; Tin-based thioester; DBTL-thioglycolate adduct; Methyl 10,10-dibutyl-5,15-dioxo-6,14-dioxa-9,11-dithia-10-stannanonadecanedioate; Complex organotin carboxylate
EINECS	Contact for details

Quality Control

Our production of Dimethyl 10,10-Dibutyl-5,15-Dioxo-6,14-Dioxa-9,11-Dithia-10-Stannanonadecanedioate adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are available upon request to support your quality assurance protocols.

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. Due to the organotin content, handle with appropriate personal protective equipment and follow local regulations for hazardous material storage.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	18.5 - 20.5 %
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (20°C)	1.500 - 1.520

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