Description

Dibutyl 3,3'-(Diacetoxystannylene)Dipropionate is a specialized organotin compound used as a high-performance catalyst and stabilizer in polymer chemistry. Its value lies in its ability to efficiently promote specific condensation and esterification reactions, enhancing product quality and process control. This chemical is essential for manufacturers in the plastics, coatings, and specialty chemical synthesis industries seeking reliable and effective catalytic solutions.

Application

• Primary catalyst for polycondensation reactions in the production of engineering plastics like polyesters and polycarbonates.
• Stabilizer and catalyst in the synthesis of high-performance polyurethane (PU) coatings and elastomers.
• Used as a cross-linking agent and catalyst in silicone rubber and other silicone-based polymer systems.
• Employed in esterification and transesterification processes for producing specialty esters and plasticizers.
• Acts as a heat stabilizer for PVC and other halogen-containing polymers, improving thermal processing stability.
• Catalyst for the production of alkyd resins used in paints, varnishes, and industrial coatings.

Basic Information

Item	Details
Product Name	Dibutyl 3,3'-(Diacetoxystannylene)Dipropionate
CAS No.	72305-84-1
Molecular Formula	C20H36O8Sn
Molecular Weight	523.20 g/mol
Synonyms	Dibutyltin Diacetate Dipropionate; Dibutyltin Bis(acetoxypropionate); Stannane, dibutylbis[(1-oxo-3-propoxy)oxy]-, diacetate (ester); Dibutylbis(acetoxypropionyloxy)stannane; DBTA-DP; Organotin Catalyst 72305-84-1; Dibutyltin Acetate Propionate
EINECS	Contact for details

Quality Control

Our Dibutyl 3,3'-(Diacetoxystannylene)Dipropionate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, tin content, and impurity profiles. Our quality management system is designed to meet the rigorous demands of industrial polymer production.

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 incompatible materials such as strong acids, strong bases, and oxidizing agents. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 22.5%
Purity (HPLC)	Min. 95.0%
Specific Gravity (20°C)	1.20 - 1.30
Refractive Index (20°C)	1.470 - 1.490
Water Content (KF)	Max. 0.5%

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