Description

Hexamethyldigermane is a highly volatile organogermanium compound with the CAS number 993-52-2. It serves as a crucial precursor in advanced materials science, particularly for the chemical vapor deposition (CVD) and atomic layer deposition (ALD) of germanium-containing thin films. This product is essential for manufacturers and R&D facilities in the semiconductor, photovoltaics, and nanotechnology sectors seeking to develop next-generation electronic and optical devices.

Application

• Semiconductor Manufacturing: As a key germanium source for CVD and ALD processes to deposit high-purity germanium or germanium-silicon (GeSi) films on silicon wafers.
• Photovoltaics: Used in the production of high-efficiency thin-film solar cells, where germanium layers can enhance light absorption and energy conversion.
• Nanomaterials Synthesis: Acts as a molecular precursor for the synthesis of germanium nanoparticles and quantum dots with tailored optical and electronic properties.
• Optoelectronics: Enables the fabrication of germanium-based waveguides, detectors, and other components for integrated photonic circuits.
• Catalysis Research: Serves as a ligand or precursor in organometallic chemistry for developing novel catalysts.
• Polymer Modification: Can be used to incorporate germanium into polymer backbones, potentially altering material properties like refractive index or thermal stability.

Basic Information

Product Name	Hexamethyldigermane
CAS No.	993-52-2
Molecular Formula	C6H18Ge2
Molecular Weight	219.41 g/mol
Synonyms	Bis(trimethylgermyl); Digermane, hexamethyl-; Hexamethylgermanium dimer; HMGe; Trimethylgermyltrimethylgermane; Tetramethyldigermane (common misnomer); 1,1,1,2,2,2-Hexamethyldigermane (IUPAC); Ge-5150 (common trade name for CVD precursors)
EINECS	213-606-7

Quality Control

Our Hexamethyldigermane is produced and handled under stringent conditions to ensure high purity and batch-to-batch consistency, critical for sensitive deposition processes. Each lot undergoes comprehensive analysis including Gas Chromatography (GC) and NMR spectroscopy. A detailed Certificate of Analysis (COA) documenting purity, identity, and key impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at temperatures between 2°C and 8°C (refrigerated) to minimize volatility and oxidation. The container must be kept in a cool, dry, well-ventilated area away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (GC Area %)	≥ 99.0%
Trimethylgermane (GC)	≤ 0.5%
Other Volatile Impurities (GC)	≤ 0.5%
Density (at 20°C)	~1.1 g/cm³

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