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Germanium pieces, 1-5 mm, 99.999%

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Order Germanium pieces, 1-5 mm, 99.999% (CAS 7440-56-4) online at Zemixal. Request a quote with price, lead time and documents.

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Germanium pieces, 1-5 mm, 99.999% chemical structure
CAS number7440-56-4
FormulaGe
Molar mass72.63 g/mol
Physical formSolid
HS code81129200
Purity99.999%
InChIKeyGNPVGFCGXDBREM-UHFFFAOYSA-N
IUPAC namegermanium

About Germanium pieces, 1-5 mm, 99.999%

Researchers and plant chemists source Germanium pieces, 1-5 mm, 99.999% from Zemixal for routine and specialised work. For your records (99.999%), the material is defined by CAS 7440-56-4, formula Ge and molar mass 72.63 g/mol. It is described as pieces or chunks.

Use cases we see most often

  • PVD & sputter coating
  • Thin-film deposition
  • Semiconductor fabrication
  • Electronics & thin films

Safe handling

Literature values: melting point 937 °C and density 5.35 g/mL at 25 °C. Classified under GHS with signal word Danger and hazard statements H228, H361, H373 and H412. Read the SDS before first use.

Standard pack sizes are 1 g, 5 g, 100 g and 1 kg, 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

  • PVD & sputter coating
  • Thin-film deposition
  • Semiconductor fabrication
  • Electronics & thin films

Applications

Specifications and identifiers

Specifications of Germanium pieces, 1-5 mm, 99.999%
Product nameGermanium pieces, 1-5 mm, 99.999%
Catalogue numberZX-016152
CAS number7440-56-4
IUPAC namegermanium
Molecular formulaGe
Molar mass72.63 g/mol
Exact mass73.9212
Purity / assay99.999%
Physical formSolid
AppearancePieces or chunks
Melting point937 °C
Density5.35 g/mL at 25 °C
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code81129200
InChIKeyGNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES[Ge]
PubChem CID6326954
SynonymsGermanium 5N

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 pieces, 1-5 mm, 99.999%
1 gQuoted on request
5 gQuoted on request
100 gQuoted on request
1 kgQuoted 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 pieces, 1-5 mm, 99.999%

Which CAS number identifies Germanium pieces, 1-5 mm, 99.999%?
Germanium pieces, 1-5 mm, 99.999% is registered under CAS 7440-56-4. You may also see it listed as Germanium 5N. Our catalogue number for this item is ZX-016152.
What are the formula and molar mass of Germanium pieces, 1-5 mm, 99.999%?
For Germanium pieces, 1-5 mm, 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 pieces, 1-5 mm, 99.999%?
This listing is 99.999% purity. Standard packs are 1 g, 5 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Germanium pieces, 1-5 mm, 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 pieces, 1-5 mm, 99.999% to my country?
Yes. Because Germanium pieces, 1-5 mm, 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

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