Description

Diethyl-Difluoro-Stannane is a high-purity organotin compound characterized by its two ethyl and two fluorine substituents on the tin atom. This compound serves as a versatile and critical precursor in advanced materials synthesis and fine chemical manufacturing, valued for its reactivity and ability to introduce tin and fluorine functionalities. It is essential for R&D and production in the electronics, pharmaceutical, and specialty polymer industries, where precise molecular control is paramount.

Application

• Chemical Vapor Deposition (CVD) Precursor: A key source material for depositing thin films of tin oxide or doped tin oxides in semiconductor and transparent conductive oxide (TCO) applications.
• Polymerization Catalyst & Modifier: Used as a catalyst or co-catalyst in the synthesis of specialized polymers, including polyesters and polyurethanes, to control molecular weight and structure.
• Organic Synthesis Intermediate: Employed in cross-coupling reactions (e.g., Stille coupling) and as a fluorinating agent or building block for synthesizing complex organofluorine and organotin molecules in pharmaceutical and agrochemical research.
• Surface Modification Agent: Facilitates the functionalization of glass, metal, or nanoparticle surfaces to alter wettability, adhesion, or catalytic properties.
• Stabilizer for PVC and Other Polymers: Acts as a heat and light stabilizer in specific high-performance polymer formulations to prevent degradation.
• Material Science Research: Serves as a fundamental reagent in developing novel metal-organic frameworks (MOFs), sensors, and other functional materials.

Basic Information

Product Name	Diethyl-Difluoro-Stannane
CAS No.	649-48-9
Molecular Formula	C4H10F2Sn
Molecular Weight	218.82 g/mol
Synonyms	Difluorodiethylstannane; Diethyltin Difluoride; Tin, Difluorodiethyl-; Diethylstannylene Fluoride; Stannane, Difluorodiethyl-; Ethyltin Fluoride; EINECS 211-471-0
EINECS	211-471-0

Quality Control

Our Diethyl-Difluoro-Stannane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. 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 a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC or Titration)	≥ 98.0%
Tin (Sn) Content	54.0 - 55.0 %
Fluorine (F) Content	17.0 - 18.0 %
Density (at 20°C)	~1.5 g/mL
Moisture (KF)	≤ 0.5%

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