Description

Ethyldigermane is a highly reactive organogermanium compound, serving as a critical precursor in advanced materials synthesis. Its value lies in its ability to introduce germanium-carbon bonds and germanium-germanium frameworks into complex molecular structures under controlled conditions. This compound is essential for researchers and manufacturers in the semiconductor, photonics, and organometallic chemistry sectors, where it is used to develop novel thin-film materials and catalytic systems. Ethyldigermane CAS NO 20549-65-9 represents a high-purity specialty chemical for cutting-edge industrial and R&D applications.

Application

• Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD): As a key precursor for depositing high-purity germanium-containing thin films on semiconductor wafers.
• Advanced Photovoltaics: In the research and development of next-generation solar cells, such as germanium-based tandem cells, to enhance light absorption and efficiency.
• Organometallic Synthesis: As a versatile building block for synthesizing novel germanium-based catalysts, polymers, and molecular frameworks with tailored properties.
• Optoelectronics & Photonics: For the fabrication of germanium-based waveguides, modulators, and detectors in integrated photonic circuits.
• Nanomaterial Production: In the bottom-up synthesis of germanium nanoparticles and nanowires for electronic and sensor applications.
• Surface Functionalization: To modify material surfaces with germanium-ethyl groups, altering surface energy, reactivity, or adhesion properties.

Basic Information

Product Name	Ethyldigermane
CAS No.	20549-65-9
Molecular Formula	C4H12Ge2
Molecular Weight	187.32 g/mol
Synonyms	Diethylgermylene; Digermane, diethyl-; Diethylgermylgermane; Diethylgermylene oligomer; Tetraethyl-digermane (common name); Bis(ethyl)germylgermane; Germanium, diethylgermylene-
EINECS	Contact for details

Quality Control

Our Ethyldigermane is produced and handled under stringent quality protocols in a controlled environment to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including NMR, GC-MS, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment. We adhere to cGMP principles where applicable to support our clients in research, development, and high-tech manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated place, away from heat and ignition sources. Due to its highly volatile and pyrophoric nature, it must be kept sealed in its original specialty packaging. Recommended storage temperature is 2-8°C for extended stability. Open containers should be used immediately under controlled conditions and resealed under inert gas.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Assay (GC)	≥ 95.0%
Major Impurities (GC-MS)	Specified on COA
Trace Metals (ICP-MS)	< 10 ppm total

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