Description

Tetra-n-Butoxygermane is a high-purity organogermanium compound, specifically a germanium alkoxide, with the CAS registry number 25063-27-8. This specialty chemical serves as a critical precursor in advanced material synthesis, offering a reactive source of germanium for creating high-performance inorganic and hybrid organic-inorganic networks. It is essential for researchers and manufacturers in the semiconductor, optical coating, and specialty polymer industries who require precise control over material properties at the molecular level.

Application

• Precursor for Sol-Gel Deposition: Used in the synthesis of germanium oxide (GeO₂) and germanium-based thin films for optical waveguides, anti-reflective coatings, and protective layers.
• Semiconductor Manufacturing: Acts as a chemical vapor deposition (CVD) and atomic layer deposition (ALD) precursor for high-k dielectric layers and other germanium-containing semiconductor components.
• Hybrid Material Synthesis: Key building block for creating organically modified silicates (ORMOSILs) and other hybrid polymers with tailored refractive indices and mechanical properties.
• Catalysis Research: Employed as a ligand or catalyst precursor in specialized organic synthesis and polymerization reactions.
• Nanomaterial Fabrication: Used in the bottom-up synthesis of germanium nanoparticles and nanostructures for optoelectronic applications.
• Adhesion Promotion: Can function as a coupling agent to improve adhesion between inorganic substrates and organic polymers in composite materials.

Basic Information

Product Name	Tetra-n-Butoxygermane
CAS No.	25063-27-8
Molecular Formula	C₁₆H₃₆GeO₄
Molecular Weight	349.06 g/mol
Synonyms	Germanium(IV) butoxide; Tetrabutoxygermane; Tetrabutyl germanate; Germanium tetrabutoxide; Butyl germanate; Tetrakis(butoxy)germane; Ge(OBu)₄; Tetra-n-butyl orthogermanate
EINECS	246-616-3

Quality Control

Our Tetra-n-Butoxygermane is manufactured under controlled conditions to ensure batch-to-batch consistency and high chemical purity. We employ rigorous analytical protocols, including gas chromatography (GC) and nuclear magnetic resonance (NMR) spectroscopy, to verify identity and quantify purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to support your quality assurance and R&D documentation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity during prolonged storage and sampling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.05 g/mL
Refractive Index (n20D)	~1.43
Moisture (Karl Fischer)	≤ 0.5%

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