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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

Verified providers in 2025

The following notable provider has been checked and can be recommended.

ProChem, Inc.

Phone: +1 (815) 398-1788
Telefax: +1 (815) 398-1810
Country: USA

ProChem, Inc. was established in 1986 to supply quality chemical products at competitive prices. We are now celebrating 30 years of chemical manufacturing. Our philosophy at ProChem Centers on our customers Needs and the Quality of our products.

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

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:

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

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38-36/38-11 (R)

Safety Codes:

26-36/39-2 (S)

WGK Germany:

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.

Germanium

Germanium, lumps

+1 additional providers that we know from the past

Germanium (metal)

Zyntex Ltd

Germanium, ingots

Irvine Materials Inc.

Germanium, powder

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

Germanium 99.0%-99.999%

+1 additional providers that we know from the past

Germanium, different types

Anderson & Steinssen Inc

Germanium, powder, 99.9999%

+2 additional providers that we know from the past

Germanium, doped, monocrystal

+1 additional providers that we know from the past

Germanium-copper alloy (GexCu1-x, 4N-5N)

+1 additional providers that we know from the past

Germanium (Ge, 4N-6N) powder, target, alloys,pieces, ingot