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Metal Granules, Shots & Pieces

Germanium pieces, 3.2mm (0.125in) and down, 99.999%

Available on request

Buy Germanium pieces, 3.2mm (0.125in) and down, 99.999% (CAS 7440-56-4) from Zemixal: Ge, COA and SDS with every lot, worldwide shipping.

Pack sizes
Germanium pieces, 3.2mm (0.125in) and down, 99.999% chemical structure
CAS number7440-56-4
FormulaGe
Molar mass72.63 g/mol
Physical formSolid
HS code81129200
UN numberUN 3089
Purity99.999%
InChIKeyGNPVGFCGXDBREM-UHFFFAOYSA-N
IUPAC namegermanium

About Germanium pieces, 3.2mm (0.125in) and down, 99.999%

Researchers and plant chemists source Germanium pieces, 3.2mm (0.125in) and down, 99.999% from Zemixal for routine and specialised work. Identity at a glance (99.999%): CAS 7440-56-4, formula Ge and molar mass 72.63 g/mol. Expect pieces.

Use cases we see most often

  • Alloy preparation
  • Evaporation sources
  • Materials research

Storage and safety notes

Reported physical data: melting point 937 °C and boiling point 2830 °C. Hazard communication follows GHS (Danger: H228, H361, H373 and H412). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 3089.

Order it in 10 g, 50 g and 100 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Alloy preparation
  • Evaporation sources
  • Materials research

Applications

Mining, Mineral Processing and MetallurgyResearch Labs and Universities

Specifications and identifiers

Specifications of Germanium pieces, 3.2mm (0.125in) and down, 99.999%
Product nameGermanium pieces, 3.2mm (0.125in) and down, 99.999%
Catalogue numberZX-015836
CAS number7440-56-4
IUPAC namegermanium
Molecular formulaGe
Molar mass72.63 g/mol
Exact mass73.9212
Purity / assay99.999%
Physical formSolid
AppearancePieces
Melting point937 °C
Boiling point2830 °C
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code81129200
UN numberUN 3089
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, 3.2mm (0.125in) and down, 99.999%
10 gQuoted on request
50 gQuoted on request
100 gQuoted 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, 3.2mm (0.125in) and down, 99.999%

Which CAS number identifies Germanium pieces, 3.2mm (0.125in) and down, 99.999%?
Germanium pieces, 3.2mm (0.125in) and down, 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-015836.
What are the formula and molar mass of Germanium pieces, 3.2mm (0.125in) and down, 99.999%?
For Germanium pieces, 3.2mm (0.125in) and down, 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, 3.2mm (0.125in) and down, 99.999%?
This listing is 99.999% purity. Standard packs are 10 g, 50 g, 100 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Germanium pieces, 3.2mm (0.125in) and down, 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, 3.2mm (0.125in) and down, 99.999% to my country?
Yes. Because Germanium pieces, 3.2mm (0.125in) and down, 99.999% is classed as hazardous (UN 3089), 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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