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263265

Sigma-Aldrich

Gallium

99.99% trace metals basis

Synonym(e):

Elemental gallium

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About This Item

Lineare Formel:
Ga
CAS-Nummer:
7440-55-3
Molekulargewicht:
69.72
MDL-Nummer:
MFCD00134045
UNSPSC-Code:
12141715
PubChem Substanz-ID:
24855960
NACRES:
NA.23

Qualitätsniveau

200

Assay

99.99% trace metals basis

Form

(metallic liquid or solid (ambient temp dependent))

Widerstandsfähigkeit

25.795 μΩ-cm, 30°C

bp

2403 °C (lit.)

mp (Schmelzpunkt)

29.8 °C (lit.)

Dichte

5.904 g/mL at 25 °C (lit.)

Lagertemp.

2-8°C

SMILES String

[Ga]

InChI

1S/Ga

InChIKey

GYHNNYVSQQEPJS-UHFFFAOYSA-N

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Allgemeine Beschreibung

Gallium is a rareearth element that is widely used in smart electronic devices and integratedcircuits as it provides the advantages of low energy consumption and highcomputational speeds. Due to its high boiling point and low melting point, itexhibits a wide temperature range in the liquid state. It tends to formsulfate, chloride, and phosphate complexes due to its high charge. Thecompounds of gallium find applications in advanced semiconductors and LEDchips.

Anwendung

Gallium can be used as a precursor to synthesize:
  • Gallium nitride and other Ga-based compounds for optoelectronic applications.
  • Sulfur/gallium hybrid cathode material for lithium-sulfur batteries. The surface of Ga metal promotes the redox reaction of lithium polysulfides due to its electrocatalytic effect.
  • Ga-based liquid alloys for the fabrication offlexible electronic devices.

Leistungsmerkmale und Vorteile

  • Excellent conductor of heat and electricity
  • Wide temperature range in the liquid state
  • Lowvapor pressure at high temperature

Piktogramme

CorrosionExclamation mark
GHS05,GHS07

Signalwort

Warning

Gefahreneinstufungen

Acute Tox. 4 Oral - Aquatic Chronic 3 - Met. Corr. 1

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Analysenzertifikate (COA)

Lot/Batch Number
MKCM1364
MKCK6497
MKCK6498
MKCJ4240
MKCF4780

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Gallium/Indium lump, Ga75.5%/In24.5%, 10 mm max. lump size, weight 100 g, condition liquid at rtp

GF86421483

Gallium/Indium

Gallium(III)-oxid ≥99.99% trace metals basis

Sigma-Aldrich

215066

Gallium(III)-oxid

Galliumnitrid 99.9% trace metals basis

Sigma-Aldrich

481769

Galliumnitrid

Indium pieces, 99.99% trace metals basis

Sigma-Aldrich

326615

Indium

Sayan Sarkar et al.
Scientific reports, 9(1), 8180-8180 (2019-06-05)
Recent advances in high performance thermoelectric materials have garnered unprecedented attention owing to their capability of direct transformation of heat energy to useful electricity. Copper Telluride (Cu2Te), a member of the chalcogenide family has emerged as a state-of-the-art thermoelectric material
Elizabeth M Carnicom et al.
Dalton transactions (Cambridge, England : 2003), 46(41), 14158-14163 (2017-10-07)
Previously unreported σ-phases in the ternary niobium-based systems Nb-X-Ga for X = Ru, Rh, Pd, Ir, Pt, Au, and Nb-X-Al for X = Ir, and Pt are presented, prepared by arc-melting followed by annealing at 1000 °C for 1 week.
Chen, X.Z. et al.
Chemistry of Materials, 11, 75-75 (1999)
Andrew B Kelson et al.
Current opinion in pharmacology, 13(5), 707-716 (2013-07-24)
Microbes have evolved elaborate iron-acquisition systems to sequester iron from the host environment using siderophores and heme uptake systems. Gallium(III) is structurally similar to iron(III), except that it cannot be reduced under physiological conditions, therefore gallium has the potential to
Michael A Jakupec et al.
Current topics in medicinal chemistry, 4(15), 1575-1583 (2004-12-08)
The trivalent gallium cation is capable of inhibiting tumor growth, mainly because of its resemblance to ferric iron. It affects cellular acquisition of iron by binding to transferrin, and it interacts with the iron-dependent enzyme ribonucleotide reductase, resulting in reduced
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