Tetramethylgermanium

CAS 865-52-1(CH3)4GeChemical Synthesis

Tetramethylgermanium (CAS: 865-52-1), with the linear formula (CH3)4Ge and a molecular weight of 132.78 g/mol, is a highly flammable organogermanium liquid. It serves as a key precursor in chemical vapour deposition (CVD) for the formation of germanium oxide thin films. Its applications are primarily within materials science and micro/nanoelectronics, enabling the development of advanced semiconductor materials and devices.

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Tetramethylgermanium ((CH3)4Ge) — chemical structure, CAS 865-52-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisGermaniumMaterials ScienceMicro/NanoElectronicsOrganogermaniumOrganometallic Reagents

01 /Applications

CVD Precursor for Germanium Oxide Films

Tetramethylgermanium is utilised as a source material in Chemical Vapour Deposition (CVD) processes. It facilitates the deposition of high-quality germanium oxide thin films, essential for various electronic and optical applications.

Materials Science Research

This organogermanium compound is employed in materials science research for the synthesis and characterisation of novel germanium-based materials. Its predictable reactivity makes it valuable for controlled material development.

Micro/Nanoelectronics Fabrication

In the field of micro- and nanoelectronics, Tetramethylgermanium acts as a precursor for depositing functional layers. These layers can be critical components in advanced semiconductor devices and integrated circuits.

02 /Properties

Molecular weight	132.78
Linear formula	(CH3)4Ge
Assay	98%
Form	liquid
Boiling point	43-44 °C/740 mmHg(lit.)
Density	0.978 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.389(lit.)
Melting point	−88 °C (dec.)(lit.)
Vapour pressure	6.74 psi (20 °C)
Application	CVD precursor to germanium oxide thin films.1

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H225Highly flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H319Causes serious eye irritation
H332Harmful if inhaled

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	-37 °C / -34.6 °F
Transport (UN / ADR)	UN 1993BF 3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F,Xn
Risk statements (R)	11-20/21/22-36
Safety statements (S)	16-26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

865-52-1

MDL number

MFCD00014843

PubChem substance

24864667

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Tetramethylgermanium (CAS: 865-52-1) used for?

Tetramethylgermanium is primarily used as a Chemical Vapour Deposition (CVD) precursor for depositing germanium oxide thin films, finding applications in materials science and micro/nanoelectronics.

What is the CAS number and formula for Tetramethylgermanium?

The CAS number for Tetramethylgermanium is 865-52-1, and its linear formula is (CH3)4Ge.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tetramethylgermanium with an assay of 98%. We do not represent this product as USP, BP, or EP grade.

How should Tetramethylgermanium be handled safely?

Tetramethylgermanium is highly flammable (flash point -37 °C) and poses health hazards including being harmful if swallowed, in contact with skin, or inhaled, and causes serious eye irritation. Handle with extreme caution, using appropriate personal protective equipment such as eyeshields, gloves, and a suitable respirator in a well-ventilated area. Refer to the Safety Data Sheet for detailed handling procedures.

How is Tetramethylgermanium packed, shipped, and exported?

Tetramethylgermanium is packed and shipped in compliance with international regulations for hazardous materials. As a global supplier, Tech Serve Solutions exports this chemical worldwide, adhering to all necessary transport and customs requirements.

How can I request a quote or sample for Tetramethylgermanium?

To request a quote or a sample of Tetramethylgermanium, please contact our sales team through the website or call us directly. Our team will be pleased to assist you with your requirements.