Description

Di-n-Butyltin Monobutyl Maleate is an organotin compound that serves as a highly effective catalyst and stabilizer in various polymerization and plastic manufacturing processes. Its primary value lies in its ability to accelerate reactions and enhance the thermal stability of final polymer products, ensuring consistent quality and performance. This chemical is essential for manufacturers in the PVC, polyurethane, and coatings industries seeking to optimize production efficiency and material properties.

Application

• Primary catalyst for the production of polyurethane foams and elastomers.
• Efficient stabilizer and catalyst in the manufacture of rigid and flexible PVC (polyvinyl chloride).
• Key component in esterification and transesterification reaction processes.
• Used as a cross-linking agent and catalyst in silicone rubber and room-temperature vulcanizing (RTV) systems.
• Employed in the synthesis of various plasticizers and polymeric materials.
• Acts as a catalyst in coating formulations to improve curing and film properties.

Basic Information

Product Name	Di-n-Butyltin Monobutyl Maleate
CAS No.	66010-36-4
Molecular Formula	C16H30O4Sn
Molecular Weight	405.11 g/mol
Synonyms	Di-n-Butyltin Butyl Maleate; Dibutyltin Monobutyl Maleate; Butyltin Maleate Ester; DBTL-Maleate; Dibutyltin Butyl Maleate Ester; Organotin Catalyst DBTL-M; Stabilizer T-180 (Trade Name); Dibutyl(β-stannyl) butyl maleate
EINECS	266-142-6

Quality Control

Our Di-n-Butyltin Monobutyl Maleate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with agreed specifications and industry standards.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (Tin content)	28.0 - 30.0 %
Specific Gravity (20°C)	1.20 - 1.30
Refractive Index (20°C)	1.480 - 1.500
Water Content	≤ 0.5 %

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