Merck

237094

Sigma-Aldrich

rod, diam. ~2 cm, ≥99% trace metals basis

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Empirical Formula (Hill Notation):
Ba
CAS号:
分子量:
137.33
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

检测方案

≥99% trace metals basis

形式

rod

reaction suitability

reagent type: reductant

电阻率

50.0 μΩ-cm, 20°C

直径

~2 cm

杂质

≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate
0.5% strontium

bp

1640 °C (lit.)

mp

725 °C (lit.)

密度

3.6 g/mL at 25 °C (lit.)

SMILES string

[Ba]

InChI

1S/Ba

InChI key

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

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244864483745403334
Barium rod, diam. ~2 cm, ≥99% trace metals basis

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Potassium chunks (in mineral oil), 98% trace metals basis

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Sodium cubes, contains mineral oil, 99.9% trace metals basis

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483745

Barium pieces, 1 cm, 99% trace metals basis

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403334

form

rod

form

chunks (in mineral oil)

form

cubes

form

pieces

reaction suitability

reagent type: reductant

reaction suitability

reagent type: reductant

reaction suitability

reagent type: reductant

reaction suitability

reagent type: reductant

bp

1640 °C (lit.)

bp

760 °C (lit.)

bp

883 °C (lit.)

bp

1640 °C (lit.)

mp

725 °C (lit.)

mp

64 °C (lit.)

mp

97.8 °C (lit.)

mp

725 °C (lit.)

density

3.6 g/mL at 25 °C (lit.)

density

0.86 g/mL at 25 °C (lit.)

density

-

density

3.6 g/mL at 25 °C (lit.)

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
通过c-SRC激酶激活促进人HaCaT角质形成细胞的锚定非依赖性生长和侵袭

合成杂双金属碱土金属配合物的反应物

通常用于医疗目的,特别是用于胃肠道的可视化

作为反应物,参与以下反应:
  • 与熔融石英的相互作用
  • 海藻酸盐包被的氧化铁纳米粒的聚集

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


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N. D. Thang, et al.,
PLoS ONE, 6 (2011)
D. P. Daniels, et al.,
Dalton Transactions (2011)
Kai Loon Chen et al.
Langmuir : the ACS journal of surfaces and colloids, 23(11), 5920-5928 (2007-05-02)
Early-stage aggregation kinetics studies of alginate-coated hematite nanoparticles in solutions containing alkaline-earth metal cations revealed enhanced aggregation rates in the presence of Ca2+, Sr2+, and Ba2+, but not with Mg2+. Transmission electron microscopy (TEM) imaging of the aggregates provided evidence
Patrick L Hayes et al.
The journal of physical chemistry. A, 112(4), 660-668 (2008-01-10)
Inorganic anions and cations are ubiquitous in environmental chemistry. Here, we use second harmonic generation to track the interaction of the environmentally important metal cations barium, strontium, and cadmium and the nitrate anion with fused quartz/water interfaces at pH 7.
Haifeng Zheng et al.
American journal of physiology. Cell physiology, 306(7), C705-C713 (2014-01-31)
Interstitial cells of Cajal (ICC) generate slow waves in gastrointestinal (GI) muscles. Previous studies have suggested that slow wave generation and propagation depends on a voltage-dependent Ca(2+) entry mechanism with the signature of a T-type Ca(2+) conductance. We studied voltage-dependent

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