Description

Dibutyl Tin Malate 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 the final polymer products, ensuring consistent quality and performance. This chemical is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and efficient additives for their formulations.

Application

• Polyurethane (PU) Foam Catalyst: A key catalyst in the production of flexible and rigid polyurethane foams, controlling the gelling and blowing reactions.
• Polyvinyl Chloride (PVC) Stabilizer: Acts as a heat stabilizer in PVC formulations, preventing degradation during high-temperature processing and extending product life.
• Esterification & Transesterification Catalyst: Facilitates esterification and transesterification reactions in the synthesis of plasticizers, lubricants, and biodiesel.
• Silicone Rubber Cure Catalyst: Used as a catalyst in the curing (vulcanization) of room-temperature-vulcanizing (RTV) silicone rubbers.
• Adhesive & Sealant Formulations: Imparts improved curing characteristics and stability to industrial adhesives and sealants.
• Specialty Polymer Synthesis: Employed as a catalyst in the production of polyesters and other condensation polymers.

Basic Information

Product Name	Dibutyl Tin Malate
CAS No.	15535-69-0
Molecular Formula	C12H22O5Sn
Molecular Weight	365.00 g/mol
Synonyms	Dibutyltin Malate; Dibutylstannylene Malate; Stannane, dibutyl-, 2-hydroxy-1,4-butanedioate; Tin, dibutyl-, 2-hydroxybutanedioate; DBTM; Catalyst T-9 (related series); Organotin malate
EINECS	239-595-5

Quality Control

Our Dibutyl Tin Malate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, catalytic activity, 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 and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The container must be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Sn Content)	≥ 32.0 %
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	1.25 - 1.35
Refractive Index (20°C)	1.490 - 1.510

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