Description

Diisopentadecyl 4,4'-[(Dibutylstannylene)Bis(Oxy)]Bis[4-Oxoisocrotonate] is a specialized organotin compound that serves as a highly effective stabilizer and catalyst in advanced polymer formulations. Its unique molecular structure provides exceptional performance in protecting materials from degradation caused by heat and light. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance the durability and longevity of their high-performance products.

Application

• Primary Stabilizer for PVC and other halogenated polymers to prevent thermal degradation during processing.
• Light Stabilizer in coatings and plastic films to protect against UV-induced breakdown and color fading.
• Catalyst Component in polyurethane (PU) and silicone elastomer production, facilitating controlled cross-linking reactions.
• Additive for Engineering Plastics to improve the heat resistance and weatherability of high-performance composites.
• Synergistic Agent in combination with other antioxidants and metal soaps for enhanced stabilization packages.
• Intermediate for the synthesis of other specialized organometallic compounds and functional additives.

Basic Information

Product Name	Diisopentadecyl 4,4'-[(Dibutylstannylene)Bis(Oxy)]Bis[4-Oxoisocrotonate]
CAS No.	68299-23-0
Molecular Formula	C54H100O8Sn
Molecular Weight	1004.03 g/mol
Synonyms	Bis(4-oxo-4-(pentadecyloxy)but-2-en-2-yl) dibutylstannylene bis(ether); Dibutyltin bis(isopentadecyl maleate); Organotin stabilizer 68299-23-0; Diisopentadecyl dibutylstannylene bis(maleate); DBTL-based maleate ester; Tin-based polymer additive; Heat stabilizer for PVC; UV stabilizer intermediate
EINECS	Contact for details

Quality Control

Our production of Diisopentadecyl 4,4'-[(Dibutylstannylene)Bis(Oxy)]Bis[4-Oxoisocrotonate] adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed to confirm identity, purity, and key physical parameters. Certificates of Analysis (COA) documenting these results are available upon request. Our quality management system is designed to meet the rigorous demands of industrial and specialty chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 11.8%
Purity (HPLC)	Min. 95.0%
Color (Gardner)	Max. 6
Density at 20°C	~1.05 g/cm³
Refractive Index (n20D)	~1.480

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