Germanium telluride, 99.999%

About Germanium telluride, 99.999%

Germanium telluride is an electronic material (Puriss grade) carrying the CAS registry number 12025-39-7 at a purity of 99.999%. Formula GeTe, molecular weight 200.2 g/mol. Its systematic (IUPAC) name is tellanylidenegermanium. It is also known as Germanium monotelluride or Germanium(II) telluride.

It is supplied as a solid. Key physical data: a melting point of 725 °C and a density of 6.14 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for semiconductor research, electronic devices, thin films and paints, coatings and inks. It is used across academic and industrial research and electronics and semiconductors.

Standard pack sizes are 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Semiconductor research
Electronic devices
Thin films
Paints, coatings & inks

Industries

Specifications & identifiers

Chemical identifiers
Product name	Germanium telluride, 99.999%
Catalogue No.	VQ-018365
CAS Number	12025-39-7
IUPAC name	tellanylidenegermanium
Molecular formula	GeTe
Molecular weight	200.2 g/mol
Exact mass	203.8274
Grade	Puriss
Purity / assay	99.999%
HSN code	28429090
InChIKey	JBQYATWDVHIOAR-UHFFFAOYSA-N
SMILES	[Ge]=[Te]
PubChem CID	16213264

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	725 °C
Density	6.14 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Germanium monotelluride, Germanium(II) telluride, Germanous telluride, Germanium telluride (GeTe), germanetellone, germanium tel-luride, lambda~2~-Germanetellone, Germanium Telluride Powder, Germanium(II) telluride, 99.999%, Germanium telluride, 99.999% trace metals basis, Germanium monotelluride, germanium(II) telluride, germanium(2+) telluride

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Germanium telluride, 99.999%?

The CAS Registry Number of Germanium telluride, 99.999% is 12025-39-7. It is also known as Germanium monotelluride, Germanium(II) telluride, Germanous telluride.

What is the molecular formula and molecular weight of Germanium telluride, 99.999%?

Germanium telluride, 99.999% has the molecular formula GeTe and a molecular weight of 200.2 g/mol. Its IUPAC name is tellanylidenegermanium.

Which grade and pack sizes of Germanium telluride, 99.999% can I order?

We supply Germanium telluride, 99.999% in Puriss (99.999%) grade, in 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Germanium telluride, 99.999%?

Yes. Every lot of Germanium telluride, 99.999% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Germanium telluride, 99.999% be shipped internationally?

Yes. Germanium telluride, 99.999% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.