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263265

Sigma-Aldrich

Gallium

99.99% trace metals basis

Sinónimos:

Elemental gallium

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About This Item

Fórmula lineal:
Ga
Número de CAS:
7440-55-3
Peso molecular:
69.72
MDL number:
MFCD00134045
UNSPSC Code:
12141715
PubChem Substance ID:
24855960
NACRES:
NA.23

Quality Level

200

assay

99.99% trace metals basis

form

(metallic liquid or solid (ambient temp dependent))

resistivity

25.795 μΩ-cm, 30°C

bp

2403 °C (lit.)

mp

29.8 °C (lit.)

density

5.904 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[Ga]

InChI

1S/Ga

InChI key

GYHNNYVSQQEPJS-UHFFFAOYSA-N

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General description

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.

Application

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.

Features and Benefits

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

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificados de análisis (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

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Gallium/Indium

Gallium(III) oxide ≥99.99% trace metals basis

Sigma-Aldrich

215066

Gallium(III) oxide

Gallium nitride 99.9% trace metals basis

Sigma-Aldrich

481769

Gallium nitride

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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