Germanium lump, 99.999%

Name: Germanium lump, 99.999%
Brand: Vaqora Chemicals
SKU: VQ-016775

About Germanium lump, 99.999%

Germanium lump (CAS 7440-56-4) is a high-purity metal offered by Vaqora Chemicals with a typical assay of 99.999%. With the molecular formula Ge, it has a molar mass of 72.63 g/mol. The IUPAC name is germanium. It is also known as Germanium metal lumps or Germanium granules.

The material typically appears as lumps / pieces. Reported physical data include a melting point of 937 °C and a boiling point of 2830 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include alloy preparation, evaporation sources, materials research and electronics and thin films. Our customers for this product work in academic and industrial research and metallurgy and mining.

Vaqora Chemicals supplies Germanium lump in 1 g, 5 g, 10 g and 100 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Alloy preparation
Evaporation sources
Materials research
Electronics & thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Germanium lump, 99.999%
Catalogue No.	VQ-016775
CAS Number	7440-56-4
IUPAC name	germanium
Molecular formula	Ge
Molecular weight	72.63 g/mol
Exact mass	73.9212
Purity / assay	99.999%
HSN code	81129200
InChIKey	GNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES	[Ge]
PubChem CID	6326954

Physical properties
Physical form	Solid
Appearance	Lumps / pieces
Melting point	937 °C
Boiling point	2830 °C
Density	5.35 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²

Safety & hazard information (GHS)

Flammable

Health hazard

Signal word: Danger

Hazard statements

H228Flammable solid
H361Suspected of damaging fertility or the unborn child
H373May causes damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P210, P240, P241, P260, P273, P280, P318, P319, P370 + P378, P405, 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

Other grades of CAS 7440-56-4

Germanium ingot, 99.9999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-016774

Germanium optical (mono crystalline) windows, 100 mm dia, 20 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018024

Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018025

Germanium optical (mono crystalline) windows, 35 mm dia, 15 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018026

Germanium optical (mono crystalline) windows, 50 mm dia, 10 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018027

Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018028

Germanium optical windows, 140 mm dia, 30 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018029

Germanium optical windows, 50 mm dia,15 mm thick, 99.999%

CAS: 7440-56-4
Formula: Ge
MW: 72.63 g/mol

VQ-018030

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Frequently asked questions

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

The CAS Registry Number of Germanium lump, 99.999% is 7440-56-4. It is also known as Germanium metal lumps, Germanium granules, Germanium 5N.

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

Germanium lump, 99.999% has the molecular formula Ge and a molecular weight of 72.63 g/mol. Its IUPAC name is germanium.

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

We supply Germanium lump, 99.999% in (99.999%) grade, in 1 g, 5 g, 10 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

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

Yes. Every lot of Germanium lump, 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 lump, 99.999% be shipped internationally?

Yes. Germanium lump, 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.