Germanium optical (mono crystalline) windows,… 7440-56-4

Name: Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999%
Brand: Vaqora Chemicals
SKU: VQ-018028

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

Listed under CAS 7440-56-4, Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick is an optical window available from Vaqora Chemicals with a typical assay of 99.999%. The compound has the formula Ge, corresponding to a molecular weight of 72.63 g/mol. Systematically, it is named germanium. Alternative names: Germanium windows and germanium substrate.

The product is provided as a crystalline solid. Reported physical data include a melting point of 936 °C and a density of 5.327 gm/cc. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for optical windows, IR and UV optics and coated substrates. Our customers for this product work in academic and industrial research and electronics and semiconductors.

Standard pack sizes are 1 pc and 10 pc, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Optical windows
IR & UV optics
Coated substrates

Industries

Specifications & identifiers

Chemical identifiers
Product name	Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999%
Catalogue No.	VQ-018028
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	9002
InChIKey	GNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES	[Ge]
PubChem CID	6326954

Physical properties
Physical form	Crystalline
Melting point	936 °C
Density	5.327 gm/cc
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 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 optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999%?

The CAS Registry Number of Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999% is 7440-56-4. It is also known as Germanium windows, germanium substrate.

What is the molecular formula and molecular weight of Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999%?

Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 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 optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999% can I order?

We supply Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999% in (99.999%) grade, in 1 pc, 10 pc packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999%?

Yes. Every lot of Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 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 optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 99.999% be shipped internationally?

Yes. Germanium optical (mono crystalline) windows, 95 mm dia, 20 mm thick, 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.