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263265

Sigma-Aldrich

镓

99.99% trace metals basis

别名:

Elemental gallium

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About This Item

线性分子式:
Ga
CAS号:
7440-55-3
分子量:
69.72
MDL號碼:
MFCD00134045
分類程式碼代碼:
12141715
PubChem物質ID:
24855960
NACRES:
NA.23

品質等級

200

化驗

99.99% trace metals basis

形狀

(metallic liquid or solid (ambient temp dependent))

電阻係數

25.795 μΩ-cm, 30°C

bp

2403 °C (lit.)

mp

29.8 °C (lit.)

密度

5.904 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

[Ga]

InChI

1S/Ga

InChI 密鑰

GYHNNYVSQQEPJS-UHFFFAOYSA-N

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相关类别

一般說明

镓(Gallium)是一种稀土元素，广泛用于智能电子装置和集成电路，具有低能耗和高运算速度的优点。因其高沸点和低熔点，在较宽的温度范围内呈现液态。因其高电荷，可形成硫酸化、氯化和磷酸化复合物。镓化合物可用于先进的半导体和LED芯片。

應用

镓可作为前体合成：
  • 氮化镓等镓基化合物，用于光电领域。
  • 硫/镓杂化正极材料，用于锂硫电池。镓金属表面的电催化性可促进多硫化锂的氧化还原反应。
  • 基于镓的液体合金，用于制造柔性电子装置。

特點和優勢

  • 优异的热和电传导性
  • 在较宽的温度范围内呈现液态
  • 高温下具有低蒸汽压

象形圖

CorrosionExclamation mark
GHS05,GHS07

訊號詞

Warning

危險聲明

H290,H302,H412

危險分類

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

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

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

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
MKCM1364
MKCK6497
MKCK6498
MKCJ4240
MKCF4780

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氮化镓 99.9% trace metals basis

Sigma-Aldrich

481769

氮化镓

铟 pieces, 99.99% trace metals basis

Sigma-Aldrich

326615

铟

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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