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Merck
CN

474711

Sigma-Aldrich

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

别名:

钡元素

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关于此项目

经验公式(希尔记法):
Ba
化学文摘社编号:
分子量:
137.33
EC 号:
MDL编号:
UNSPSC代码:
12141505
PubChem化学物质编号:
NACRES:
NA.23
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方案

99.99% trace metals basis

表单

dendritic pieces

纯化方式

distillation

反应适用性

reagent type: reductant

电阻率

50.0 μΩ-cm, 20°C

沸点

1640 °C (lit.)

mp

725 °C (lit.)

密度

3.6 g/mL at 25 °C (lit.)

SMILES字符串

[Ba]

InChI

1S/Ba

InChI key

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

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一般描述

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。

应用

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。

警示用语:

Danger

危险分类

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

储存分类代码

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

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

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

法规信息

监管及禁止进口产品
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分析证书(COA)

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