Description

Phenylethynyltri-n-Butyltin (CAS NO 3757-88-8) is a specialized organotin compound featuring a phenylethynyl ligand, which imparts unique reactivity and stability. This compound serves as a critical intermediate and catalyst in advanced organic synthesis and materials science, enabling precise chemical transformations. It is essential for R&D and production within the pharmaceutical, agrochemical, and polymer industries, where it is valued for its role in cross-coupling reactions and as a precursor for functional materials.

Application

• Key intermediate in the synthesis of pharmaceuticals and bioactive molecules.
• Catalyst or co-catalyst in cross-coupling reactions (e.g., Stille coupling) for carbon-carbon bond formation.
• Precursor for the development of functional polymers and advanced materials.
• Used in agrochemical research for creating novel active ingredients.
• Component in material science for surface modifications and coatings.
• Reagent in organic synthesis laboratories for constructing complex molecular architectures.

Basic Information

Product Name	Phenylethynyltri-n-Butyltin
CAS No.	3757-88-8
Molecular Formula	C22H36Sn
Molecular Weight	411.22 g/mol
Synonyms	Tri-n-Butyl(phenylethynyl)stannane; (Phenylethynyl)tributyltin; Tributyl(phenylethynyl)tin; Stannane, (phenylethynyl)tributyl-; Phenylethynyltributylstannane; Tributylstannylphenylacetylene; (Phenylethynyl)tributylstannane
EINECS	Contact for details

Quality Control

Our Phenylethynyltri-n-Butyltin is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including NMR, GC, and HPLC to verify identity and assay. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Tin (Sn) Content	28.5 - 29.5 %

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