Description

Dibutyl Tin Distearate is a high-purity organotin compound widely recognized for its exceptional performance as a catalyst and stabilizer. Its primary value lies in its ability to accelerate polyurethane and silicone curing reactions while providing excellent thermal stability to various polymer systems. This product is essential for manufacturers in the plastics, coatings, and sealants industries seeking to optimize production efficiency and enhance material durability.

Application

• Polyurethane Catalyst: A highly effective catalyst for the production of flexible and rigid polyurethane foams, elastomers, and coatings.
• Silicone Curing Agent: Used as a condensation catalyst in room-temperature vulcanizing (RTV) silicone rubbers and sealants.
• PVC Stabilizer: Acts as a heat stabilizer in polyvinyl chloride (PVC) formulations to prevent degradation during processing.
• Esterification & Transesterification Catalyst: Facilitates esterification and transesterification reactions in the synthesis of plasticizers, lubricants, and biodiesel.
• Adhesive & Sealant Formulations: Imparts improved curing characteristics and stability to industrial adhesives and construction sealants.
• Lubricant & Grease Additive: Serves as an additive to enhance the performance and thermal properties of specialized lubricants and greases.

Basic Information

Product Name	Dibutyl Tin Distearate
CAS No.	5847-55-2
Molecular Formula	C40H80O4Sn
Molecular Weight	743.91 g/mol
Synonyms	Dibutyltin Distearate; Dibutylstannylene Distearate; Stannane, Dibutylbis[(1-oxooctadecyl)oxy]-; DBTD; Tin, Dibutylbis(stearoyloxy)-; Catalysts & Chemicals CC-902; Dabco T-12; Kosmos 29; Stanclere DBTS; Thermolite 813
EINECS	227-425-4

Quality Control

Our Dibutyl Tin Distearate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to meet exacting industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

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 strong acids and incompatible organic solvents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white waxy solid or flakes
Identification (IR)	Conforms to structure
Assay (Tin content)	Min. 15.5%
Melting Point	20 - 25 °C
Acid Value	Max. 1.0 mg KOH/g
Heavy Metals (as Pb)	Max. 10 ppm

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