Germanium optical windows, 140 mm dia, 30 mm… 7440-56-4

Name: Germanium optical windows, 140 mm dia, 30 mm thick, 99.999%
Brand: Vaqora Chemicals
SKU: VQ-018029

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

Germanium optical windows, 140 mm dia, 30 mm thick is an optical window carrying the CAS registry number 7440-56-4 at a purity of 99.999%. With the molecular formula Ge, it has a molar mass of 72.63 g/mol. Systematically, it is named germanium. Common synonyms include Germanium windows and germanium substrate.

The product is provided as a solid. Literature values give a melting point of 936 °C and a density of 5.327 gm/cc. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for optical windows, IR and UV optics and coated substrates. It is used across academic and industrial research and electronics and semiconductors.

We offer Germanium optical windows, 140 mm dia, 30 mm thick in 1 pc and 10 pc packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Optical windows
IR & UV optics
Coated substrates

Industries

Specifications & identifiers

Chemical identifiers
Product name	Germanium optical windows, 140 mm dia, 30 mm thick, 99.999%
Catalogue No.	VQ-018029
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	Solid
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 (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, 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 windows, 140 mm dia, 30 mm thick, 99.999%?

The CAS Registry Number of Germanium optical windows, 140 mm dia, 30 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 windows, 140 mm dia, 30 mm thick, 99.999%?

Germanium optical windows, 140 mm dia, 30 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 windows, 140 mm dia, 30 mm thick, 99.999% can I order?

We supply Germanium optical windows, 140 mm dia, 30 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 windows, 140 mm dia, 30 mm thick, 99.999%?

Yes. Every lot of Germanium optical windows, 140 mm dia, 30 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 windows, 140 mm dia, 30 mm thick, 99.999% be shipped internationally?

Yes. Germanium optical windows, 140 mm dia, 30 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.