Description

Bis(Tri-n-Butyltin)Acetylenedicarboxylate is a specialized organotin compound with a unique molecular structure that imparts specific catalytic and functional properties. This chemical is valued in advanced material synthesis and industrial catalysis for its ability to facilitate targeted chemical transformations. It is primarily sought by manufacturers and R&D laboratories in the polymer, fine chemical, and material science sectors for developing high-performance additives and catalysts.

Application

• As a catalyst or catalyst precursor in polyurethane (PU) and polycarbonate production.
• As a stabilizer or additive in specialty polymer formulations, including PVC and silicone rubbers.
• As a key intermediate in the synthesis of other functional organotin compounds for research and industrial use.
• In cross-linking reactions for coatings, adhesives, and sealants requiring specific thermal or chemical resistance.
• For surface modification and functionalization in advanced material development.
• In academic and industrial R&D for exploring new catalytic systems and reaction pathways.

Basic Information

Product Name	Bis(Tri-n-Butyltin)Acetylenedicarboxylate
CAS No.	29140-32-7
Molecular Formula	C30H54O4Sn2
Molecular Weight	684.1 g/mol
Synonyms	Bis(tributylstannyl) Acetylenedicarboxylate; Acetylenedicarboxylic Acid Bis(tri-n-butyltin) Ester; Di(tri-n-butyltin) Acetylenedicarboxylate; TBTA; Tributyltin Acetylenedicarboxylate; Stannane, tributyl-, 1,1'-[1,2-ethynediylbis(oxycarbonyl)]bis-; 1,1'-[1,2-ethynediylbis(oxycarbonyl)]bis[tributylstannane]
EINECS	Contact for details

Quality Control

Our production of Bis(Tri-n-Butyltin)Acetylenedicarboxylate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and product integrity.

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 oxidizing agents, strong acids, and strong bases. Due to the organotin content, handle with appropriate personal protective equipment and follow local regulations for hazardous materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	34.0 - 35.5 %
Specific Gravity (20°C)	1.15 - 1.25
Related Impurities (HPLC)	≤ 2.0% (total)

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