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Optical Windows & Coated Substrates

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

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Buy Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999% (CAS 7440-56-4) from Zemixal…

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Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999% chemical structure
CAS number7440-56-4
FormulaGe
Molar mass72.63 g/mol
Physical formCrystalline
HS code9002
Purity99.999%
InChIKeyGNPVGFCGXDBREM-UHFFFAOYSA-N
IUPAC namegermanium

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

Zemixal supplies Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999% within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (99.999%): CAS 7440-56-4, formula Ge and molar mass 72.63 g/mol. It is handled as a crystalline solid.

Common uses in the lab and plant

  • Optical windows
  • IR & UV optics
  • Coated substrates

Safe handling

Literature values: melting point 936 °C and density 5.327 gm/cc. It carries the GHS signal word Danger (H228, H361, H373 and H412), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 1 pc and 10 pc, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Optical windows
  • IR & UV optics
  • Coated substrates

Applications

Electronics, PCB and SemiconductorsResearch Labs and Universities

Specifications and identifiers

Specifications of Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%
Product nameGermanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%
Catalogue numberZX-017083
CAS number7440-56-4
IUPAC namegermanium
Molecular formulaGe
Molar mass72.63 g/mol
Exact mass73.9212
Purity / assay99.999%
Physical formCrystalline
Melting point936 °C
Density5.327 gm/cc
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code9002
InChIKeyGNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES[Ge]
PubChem CID6326954
SynonymsGermanium windows, germanium substrate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS08 Health hazard
Health hazard

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%
1 pcQuoted on request
10 pcQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

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

Which CAS number identifies Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%?
Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999% is registered under CAS 7440-56-4. You may also see it listed as Germanium windows, germanium substrate. Our catalogue number for this item is ZX-017083.
What are the formula and molar mass of Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%?
For Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%, its formula is Ge and its molar mass is 72.63 g/mol. The systematic (IUPAC) name is germanium. InChIKey GNPVGFCGXDBREM-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%?
This listing is 99.999% purity. Standard packs are 1 pc, 10 pc. Larger quantities and custom packing can be quoted on request.
Which documents come with Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999% to my country?
Yes. Because Germanium optical (mono crystalline) windows, 25 mm dia, 10 mm thick, 99.999% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 7440-56-4

All 20 grades

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