Germanium pieces (2cm {0.8in} & down), 99.999… 7440-56-4

Name: Germanium pieces (2cm {0.8in} & down), 99.999%+
Brand: Vaqora Chemicals
SKU: VQ-016776

About Germanium pieces (2cm {0.8in} & down), 99.999%+

Germanium pieces (2cm {0.8in} and down) (CAS 7440-56-4) is a high-purity metal offered by Vaqora Chemicals (Puriss grade) at a purity of ≥99.999%. The compound has the formula Ge, corresponding to a molecular weight of 72.63 g/mol. Systematically, it is named germanium. Common synonyms include Germanium 5N.

It is supplied as pieces. Literature values give 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. It is used across academic and industrial research and metallurgy and mining.

Vaqora Chemicals supplies Germanium pieces (2cm {0.8in} and down) 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 pieces (2cm {0.8in} & down), 99.999%+
Catalogue No.	VQ-016776
CAS Number	7440-56-4
IUPAC name	germanium
Molecular formula	Ge
Molecular weight	72.63 g/mol
Exact mass	73.9212
Grade	Puriss
Purity / assay	≥99.999%
HSN code	81129200
InChIKey	GNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES	[Ge]
PubChem CID	6326954

Physical properties
Physical form	Solid
Appearance	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 lump, 99.999%

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

VQ-016775

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

All 20 products with CAS 7440-56-4 →

Frequently asked questions

What is the CAS number of Germanium pieces (2cm {0.8in} & down), 99.999%+?

The CAS Registry Number of Germanium pieces (2cm {0.8in} & down), 99.999%+ is 7440-56-4. It is also known as Germanium 5N.

What is the molecular formula and molecular weight of Germanium pieces (2cm {0.8in} & down), 99.999%+?

Germanium pieces (2cm {0.8in} & down), 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 pieces (2cm {0.8in} & down), 99.999%+ can I order?

We supply Germanium pieces (2cm {0.8in} & down), 99.999%+ in Puriss (≥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 pieces (2cm {0.8in} & down), 99.999%+?

Yes. Every lot of Germanium pieces (2cm {0.8in} & down), 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 pieces (2cm {0.8in} & down), 99.999%+ be shipped internationally?

Yes. Germanium pieces (2cm {0.8in} & down), 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.