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Merck

474711

Sigma-Aldrich

dendritic pieces, purified by distillation, 99.99% trace metals basis

别名:

钡元素

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About This Item

经验公式(希尔记法):
Ba
CAS号:
分子量:
137.33
EC號碼:
MDL號碼:
分類程式碼代碼:
12141505
PubChem物質ID:
NACRES:
NA.23

化驗

99.99% trace metals basis

形狀

dendritic pieces

純化經由

distillation

反應適用性

reagent type: reductant

電阻係數

50.0 μΩ-cm, 20°C

bp

1640 °C (lit.)

mp

725 °C (lit.)

密度

3.6 g/mL at 25 °C (lit.)

SMILES 字串

[Ba]

InChI

1S/Ba

InChI 密鑰

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

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相关类别

一般說明

钡是 是一种活泼,柔软带正电的金属,有体心立方晶体 结构。它可以通过真空环境下用铝还原钡的氧化物 制的。它有中等比重和良好的导电性。它 被广泛用于合金,从真空管中去除不需要的气体,及作为 还原剂。

應用

用于合成纯净的 Ba21M2O5HX(M = Ge、SI、Ga、In、Tl)低氧化物 Zintl 相的重要物质。···3
钡可作为前体用于合成Ba3Bi6.67Se13,Ba3Bi6PbSe13,和Ba3Bi6SnSe13

它可在钙钛矿薄膜中作为置换Pd2+的掺杂剂。钡的添加提高了有机-无机卤代铅太阳能电池的能量转换效率。

訊號詞

Danger

危險分類

Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Water-react 1

儲存類別代碼

4.3 - Hazardous materials which set free flammable gases upon contact with water

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


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