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Germanium, pieces

BGC Id:900841591326
CAS No:7440-56-4
Synonyms:ge004600 ; ge003121 ; ge003130 ; ge003030 ; ge ; ge003020 ; ge003122 ; ge007930 ; ge007920 ; ge003120 ; germaniumelement
Molecular Formula:Ge
Molecular Weight:72.59
EINECS:231-164-3
Structural Formula

Verified providers in 2025

The following notable provider has been checked and can be recommended.
Chemical-Suppliers
ProChem, Inc.
Company type: Bulk chemical producer
Phone: +1 (815) 398-1788
Telefax: +1 (815) 398-1810
Country: USA
ProChem Inc. was founded in 1986 by Reno Novak as a manufacturing company producing high purity inorganic chemicals. For 40 years we have grown to supplying a variety of industries with rare earth and transition metal inorganic, and metal-organic compounds and precursors for advanced materials applications. These products are utilized in a wide ran ...
The last intensive check and update was carried out on 2025/05/28.

Identify

Synonyms:
ge004600 ; ge003121 ; ge003130 ; ge003030 ; ge ; ge003020 ; ge003122 ; ge007930 ; ge007920 ; ge003120 ; germaniumelement
CAS:
7440-56-4
EINECS:
231-164-3
Molecular Formula:
Ge
MDL:
MFCD00085310

Properties

Molecular Weight:
72.59 g·mol−1
Density:
5.35 g/mL at 25 °C(lit.)
Melting point:
937 °C(lit.)
Boiling point:
2830 °C(lit.)
Solubility:
slightly soluble in strong acids
Physical Description:
greyish-white lustrous brittle solid, odourless

Safety Information

Hazard Symbols: Xi, F
hazard symbol F hazard symbol Xi
Europe standard Hazard pictograms, code and definition
Hazard Classes:
8
Risk Codes:
36/37/38-36/38-11 (R)
Safety Codes:
26-36/39-2 (S)
WGK Germany:
3
RID / ADR:
UN 3089 4.1 / PG 2
RTECS:
LY5200000
Storage temperature:
Flammables area

What other providers are available for CAS 7440-56-4?

In addition to the providers presented here for Germanium, pieces with the CAS number 7440-56-4, there are other 49 providers with slightly different product names available for this CAS number.

Alchimica s.r.o. | Anderson & Steinssen Inc | Fox Chemicals GmbH | Xingrui Industry Co., Limited | Leap Chem Co., Ltd | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +15 additional providers that we know from the past
+1 additional providers that we know from the past
Zyntex Ltd
Irvine Materials Inc.
ProChem, Inc. | Shanghai Mintchem Development Co., Ltd. | Hunan Heaven Materials Development Co., Ltd. | Anderson & Steinssen Inc +6 additional providers that we know from the past
+1 additional providers that we know from the past
Anderson & Steinssen Inc
+2 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past




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