Description

Bispropionic Acid Dibutyltin(Iv) Salt is a specialized organotin compound, also known as Dibutyltin Bis(2-ethylhexanoate), with significant industrial utility. This chemical serves as a highly effective catalyst and stabilizer, prized for its ability to accelerate reactions and enhance material properties in polymer systems. It is primarily sought by manufacturers in the plastics, coatings, and silicone industries for applications requiring precise catalytic control and thermal stability.

Application

• Primary catalyst in the production of polyurethane (PU) foams and elastomers.
• Stabilizer and catalyst for silicone (RTV) sealants and room-temperature vulcanizing rubbers.
• Catalyst for esterification and transesterification reactions in plasticizer and lubricant synthesis.
• Additive in PVC stabilization formulations to improve heat resistance.
• Component in coating formulations to enhance curing and film properties.
• Used as a catalyst in the manufacture of polycarbonate diols and other specialty polymers.

Basic Information

Product Name	Bispropionic Acid Dibutyltin(Iv) Salt
CAS No.	3465-73-4
Molecular Formula	C20H40O4Sn
Molecular Weight	463.23 g/mol
Synonyms	Dibutyltin Bis(2-ethylhexanoate); Dibutyltin Di(2-ethylhexanoate); DBTL; Dibutyltin Dilaurate alternative; Stannane, dibutylbis[(1-oxo-2-ethylhexyl)oxy]-; Dibutylbis(2-ethylhexanoyloxy)stannane; Tin, dibutylbis(2-ethylhexanoato-κO)-; Catalyst T-9
EINECS	222-411-6

Quality Control

Our Bispropionic Acid Dibutyltin(Iv) Salt is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analysis, including assay, tin content determination, 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 material 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 structure
Assay (Sn Content)	≥ 25.0 %
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.470 - 1.490
Acid Value	≤ 1.0 mg KOH/g
Water Content	≤ 0.3 %

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