474711
钡
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
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。
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
此项目有
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