Description

Tributyltin Monopropylene Glycol Maleate is an organotin compound that functions as a highly effective stabilizer and catalyst in various polymerization processes. Its primary commercial value lies in its ability to prevent degradation and control reaction kinetics, ensuring consistent product quality and performance in demanding industrial applications. This chemical is essential for manufacturers in the plastics, coatings, and specialty polymer industries seeking to enhance the durability and processing characteristics of their formulations.

Application

• Primary stabilizer for PVC (polyvinyl chloride) and other halogenated polymers to prevent thermal degradation during processing.
• Catalyst for esterification and transesterification reactions in the production of polyester resins and alkyd coatings.
• Additive in marine antifouling paints and coatings, where its biocidal properties are utilized (subject to regional regulations).
• Stabilizing agent for synthetic lubricants and industrial fluids to enhance oxidative stability.
• Intermediate in the synthesis of other organotin compounds with specialized functions.
• Component in adhesive and sealant formulations to improve cure profiles and final properties.

Basic Information

Product Name	Tributyltin Monopropylene Glycol Maleate
CAS No.	53466-85-6
Molecular Formula	C22H42O5Sn
Molecular Weight	505.27 g/mol
Synonyms	Tributyltin PG Maleate; TBTPGM; Monopropylene Glycol Maleate Tributyltin Ester; 2-Hydroxypropyl Maleate Tributyltin Ester; Tributylstannyl 2-Hydroxypropyl Maleate; Organotin Stabilizer TB-103; Tinuvin TBTPGM (common trade name reference); Tributyl(2-(3-hydroxy-2-methyl-5-oxo-2,5-dihydrofuran-2-yl)ethoxy)stannane
EINECS	Contact for details

Quality Control

Our Tributyltin Monopropylene Glycol Maleate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, potency, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, tin content, and impurity profiles 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 a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Tin Content)	≥ 23.0 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.15 - 1.25
Acid Value	≤ 5.0 mg KOH/g
Water Content (KF)	≤ 0.5 %

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